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

Câu hỏi

Traffic ________ are the city’s biggest problem, especially during rush hour.

Đáp án
A. jams

Câu hỏi thuộc Bài tập:

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