EXERCICES FOR UNIT 7

I- Choose the best word to complete the following sentences.
You should (change,select,replace,consume) an ordinary100-watt light bulb with an energy –saving bulb.
Can you( fix,set,install,turn off) the shower ? It doesn’t work well.
The outdoor centre organizes lots of (energy,energetic, energize, energized) activities for the kids.
You won’t lose your job (if,unless,but,for)you go to work again.
Don’t be afraid of that dog. It’s completely (harm, harmful,harmless, harmfully).
She speaks English quite(fluent, fluency, fluence, fluently).
I can find a good jod(unless,if,as, so) you help me.
It is necessary that you (may be, might be, be,will be) here tonight.
Many students got good marks (because, though, however, so) they were lazy.
Lan studied every subject very hard.(however,therefore,and, because),she won the best student prize this year.
II- Fill in each blank with the correct preposition.
Why don’t we turn………television ? The seven-o’clock news is on now.
They turn ……….the water while they repair a burst pipe.
If we keep………..using more and more cars, we’ll run out of gas.
Who is looking……….the baby while you are away ?
Is he still looking …………a job?
Her father gave ……….smoking last month.
He is really good ……….Maths and Physics.
London is famous………….Big Ben.
I am fond ……….outdoor activities a lot.
I am a bit worried………….my little younger sister.
11- I asked my mother………….money, but she didn’t give me
III- Supply the correct form of the verbs in brackets.
1-The teacher didn’t ask us…………..after class. (stay)
2- He looked forward to………….his relatives very much. (visit)
3-She suggested ………….(use) banana leaves…………(wrap) those cakes.
4- I remember………..him before,but I forget his name. (meet)
5-It is important that he………to school on time every day.(go)
IV- Rewrite the following sentences without changing their meanings.
1-Why don’t we collect the garbage in our schoolyard ?
I suggest……………………………………………………………………….
2- Shall we go to the beach for our pinic?
How about…………………………………………………………………….
3- Let’s keep our schoolyard clean by putting garbage bin around our school.
I suggest that………………………………………………………………….
4- We don’t save natural resources because we don’t use solar energy.
If we…………………………………………………………………………..
5- She was very tired, so she went to bed early.
She…………………………………………………………………………….
6- Nam can speak Chinese, He can speak English.
Nam……………………………………………………………………………
Not only……………………………………………………………………….