You will listen to a radio show. Choose the correct option A, B, C or D for each of the following questions.

Câu hỏi

Green Steps organized clean-ups in ______________ cities and towns.

A. 14

B. 30

C. 40

D. 56

Đáp án
C. 40

Câu hỏi thuộc Bài tập:

LISTENING G7_09