1.We should use cloth bags instead of plastic bags. ➝Cloth bags__________________________ 2.They will know the result next week. ➝The result ________________________ 3.We can____ thind evelopes A.use B.used C.using D.reuse 4. We are delighted___ you are interested in protecting the enviroment A.what B.why C.what D.when

1.We should use cloth bags instead of plastic bags.

➝Cloth bags__should be used instead of plastic bags.________________________

2.They will know the result next week.

➝The result ________will be known next week________________

3.We can____ thind evelopes

A.use

B.used

C.using

D.reuse

4. We are delighted__that_ you are interested in protecting the enviroment

A.what

B.why

C.what

D.when