Exercises

1. What does “safeguard” mean?

a) to put a lock on a door

b) to take care of and protect

c) to watch carefully

d) to learn about

2. What does “environment” mean?

a) the place where you live

b) a forest

c) the way you feel

d) a garden

3. What does “cooperate” mean?

a) to think about an important problem

b) to ask for help

c) to work together

d) to do something for yourself

1. The roof is full ________ trash.

a) on

b) to

c) with

d) of

2. Now the building is a much ________ place to live.

a) nice

b) nicer

c) nicest

d) more nice

3. The neighbors help take care ________ the plants in the garden.

a) to

b) of

c) about

d) for