Chọn một đáp án đúng trong số A, B, C hoặc D để hoàn thành mỗi câu sau.

1. Could you _______ off the radio, please? It's very noisy.

    A. turn                      B. go                             C. set                   D. take

2. English _______ as a foreign language at most schools in Vietnam.

    A. is teaching           B. are taught    C. is taught             D. will teach

3. My best friends often play tennis _______ Sundays.

    A. at                         B. on                             C. for                    D. in

 4. We didn’t go camping yesterday _________ it rained heavily. 

    A. because       B. although   C.Despite                     D. In spite of