Air pollution, together with littering, has _____ many problems in ...

[ Grammar ]

Air pollution, together with littering, has _____ many problems in our large cities today.

A. caused

B. made

C. affected

D. brought

Select your answer:
A B C D E

Other quiz:

Vocabulary › View

To approve and adopt an official document.

A. ratify

B. veto

C. appeal

D. submit

Present Tenses and Vocabulary › View

I’m going to roll up my ………………. and start cleaning the house.

A. sleeves

B. shirts

C. trousers

D. ties