"Where does all our rubbish go?"

A. We will not know where all our rubbish goes.

B. We should know where all our rubbish goes.

C. We did not know where all our rubbish goes.

D. We will never know where all our rubbish went.

Đáp án
B. We should know where all our rubbish goes.

Câu hỏi thuộc Bài tập:

Bài tập Trắc nghiệm Tiếng Anh 10 - Unit 9: Protecting The Environment (Writing)