Question

Use the correct form of the words to complete the sentences.

a.
When they clean the river, fish
(swim) in it again.

b.
As soon as you
(fill out) and
(send) this application,
you will become a member of Greenpeace.

c.
I
(not go) camping in the woods until trucks stop leaving
garbage there.

d.
Our neighbors won't recycle properly unless the council
(show)

them how to do it.

e.
Before I make a poster of animals in danger, I
(look for) nice

pictures to put on it.

f.
We won't be successful unless everybody
(help).

g.
Many animals
(return) to their habitats as soon as people stop
cutting down trees.

h.
When I
(be) eighteen, I'm going to become an eco-activist.

Answer 1

a. When they clean the river, fish (will swim) in it again.

b. As soon as you (have filled out) and (sent) this application, you will become a member of Greenpeace.

c. I (will not go) camping in the woods until trucks stop leaving garbage there.

d. Our neighbors won't recycle properly unless the council (shows) them how to do it.

e. Before I make a poster of animals in danger, I (will look for) nice pictures to put on it.

f. We won't be successful unless everybody (helps).

g. Many animals (will return) to their habitats as soon as people stop cutting down trees.

h. When I (am) eighteen, I'm going to become an eco-activist.