III. Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word.

Câu hỏi

If pollution on, the earth _ a dangerous place to live on.

A. would go - would become

B. would go - became

C. go - will become

D. goes - will become

Đáp án
D. goes - will become

Câu hỏi thuộc Bài tập:

If pollution ________ on, the earth _________ a dangerous place to live on.