Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.

Câu hỏi

Computer-controlled transport systems like electric buses and trains will produce less greenhouse gas ________.

A. emit

B. emissions

C. emits

D. emitted

Đáp án
B. emissions

Câu hỏi thuộc Bài tập:

UNIT 3: CITIES OF THE FUTURE - VOCABULARY - Tiếng Anh 11 Global Success