Word forms-5

Read the texts that follow. A word or phrase is missing in some of the sentences. Four answer choices are given below each of the sentences. Select the best answer to complete the text.
Questions 1 through 4 refer to the following gardening guide.

Cacti come in all shapes and sizes, textures and flower …(1)….
colours
colourless
colourful
colour-blind
sau giới từ in là một danh từ nên đáp án đúng là colours
There are two main groups of cacti - the desert cacti (usually covered in spines), and the jungle or rainforest cacti (often without spines and most are epiphytes). Choose the right cactus for the right spot and you`ll have a trouble-free, …(2)… houseplant that`ll last for years.
interests
interestingly
interesting
interested
cần một tính từ bổ nghĩa trước danh từ sự vật houseplant nên đáp án đúng là interesting
When to repot
Cacti should be repotted as soon as the roots begin to show through the …(3)… holes at the bottom of its pot.
drainer
drained
drainage
draining
drainage holes nghĩa là lỗ thoát nước, đáp án đúng là drainage
As a general rule, fast growing species should be repotted every two to three years and slow growing species every three to four years. Repotting is best carried out in the spring, when cacti are growing …(4)…. Water the cactus two days before repotting, so the roots are moist but not saturated.
act
active
activity
actively
cần một trạng từ bổ nghĩa cho động từ grow nên đáp án đúng là actively
Questions 5 through 8 refer to the following gardening guide.

Growing tomato from seed is easy and there’s a huge range of delicious …(5)… to choose from. Follow our easy care guide and sow during February and March for a good summer crop.
vary
various
varieties
variation
cần một danh từ chính đứng sau tính từ delicious nên đáp án đúng là varieties
About tomatoes
Tomatoes can be the most rewarding of vegetables. They are easy to …(6)… from seed,and can be grown in any size garden providing they are in a warm, sheltered spot. But it`s important to choose the right variety, suited to the space you have available, and the location.
grow
growth
growing
grower
cấu trúc to + V nên đáp án đúng là grow
Greenhouses and polytunnels offer the best …(7)… in the UK for producing a summer long feast of tomatoes.
conditioner
conditions
conditional
conditionally
sau tính từ so sánh nhất best ta cần dùng một danh từ nên đáp án đúng là conditions
But outdoor ripened fruit can be worth waiting for. There are varieties suited to growing indoors and outdoors and some bred especially for containers and hanging baskets. Whichever variety you choose, all need fertile soil, and plenty of regular sun, heat, food and water to produce …(8)…, juicy fruits.
sweeten
sweetening
sweet
sweetener
ta cần một tính từ song hành với tính từ juicy để bổ nghĩa cho danh từ chính fruits nên đáp án đúng là sweet

Questions 9 through 12 refer to the following gardening guide.

Growing a fruit tree
The most commonly planted fruit trees are apple trees but you don`t always have to follow convention. Pear, plum, fig and medlar trees can also produce good results. …(9)… varieties produce their fruit at different times of year.
different
differentiate
differentially
difference
từ cần điền là một tính từ bổ nghĩa cho danh từ varieties nên đáp án đúng là different
The fruit of early ripening trees tends not to keep well whereas later ripening varieties are suitable for storing over winter. A key factor in getting a …(10)… fruitful crop is the tree`s rootstock.
succeed
successfully
succession
successively
từ cần điền là một trạng từ bổ nghĩa trước tính từ fruitful, trạng từ successfully phù hợp với ý nghĩa của câu nên đáp án đúng là successfully
To ensure a …(11)… tree, nurseries attach part of one tree to another recommended for growing fruit.
product
produce
productivity
productive
ta cần một tính từ bổ nghĩa cho danh từ tree nên đáp án đúng là productive
This is called grafting, allowing you to benefit from the healthy rootstock of one tree and the tasty fruit of another. Rootstocks come in various sizes. Look for ones labelled M27 or M9 which suit most gardens, or ask your nursery. You also need to be aware of the potential size your tree will grow to and whether it`s self-fertilising. Self-fertile trees will produce fruit without the need for another tree to …(12)… it. If your tree is not self-fertile it will need to be paired with another one.
pollen
pollination
pollinate
pollinating
cấu trúc to+V nên đáp án đúng là pollinate