Array

Nguyễn Thu Hiền
Trường THCS TT Đông Triều
Period 100 - Lesson 5
Pollution B4 - 5
1
1
7
6
5
4
3
2
1
damage tree
1
1
put the trash in to the bin
waste water
collect bottles, cans
collect paper
pick flower
collect trash
4 Listen and reapeat.
Lan: We shouldn’t leave our (1) __________.
Ba: What are we going to do?
Nga: (2) ______ it in a trash can.
Nam: There aren’t any trash can.
Lan: Then we should put it in a bag and (3) _____________.
trash
Put
take it home
shouldn’t
should
* Grammar

Modal verbs: should and shouldn’t

Ex: We should save water
V infinitive
We shouldn’t waste it
V infinitive

Usage: We use it to advise somebody to do or not to do something
e
a
c
b
d
5 Practice using should and shouldn’t to write rules for the pictures
6 Listen and read. Then anwser the qustions
In Vietnam, we recycle (1) _________ things. We collect waste food and feed it to pigs. We (2) _________ empty bottles and cans and recycle them. We collect waste (3) _________, scrap metal and old plastic and recycle them. Factories in Vietnam (4) _________ all these things.
many
collect
paper
use
waste food
feed
recycle
srap metal
plastic
Answer the questions:
a) In Vietnam, what do we collect and recycle?
In Vietnam, we collect and recycle many things.
b) What do we do with waste food?
We collect waste food and feed it to pigs.
c) What do factories do with waste and scrap?
Factories collect waste and scrap and recycle them.
* Choose the best answer A, B or C
1. Hoa _______ throw trash in the school yard.
can B. should C. shouldn’t
2. We _______ plant trees and flowers around the yard.
should B. shouldn’t C. mustn’t
3. You should ______ your house every day.
cleans B. clean C. to clean
4. What should we do to ______ our environment?
collect B. destroy C. protect
5. _______ damage trees! Plant them
A. Should B. Do C. Don’t