Mrs Smith said, "Sam may have gone to the library. "

A. Mrs Smith knew Sam had gone to the library.

B. Mrs Smith wasn't sure where Sam had gone.

C. Sam was allowed to go to the library.

D. Sam had certainly not gone to the library.

Đáp án
B. Mrs Smith wasn't sure where Sam had gone.

Câu hỏi thuộc Bài tập:

Bài tập Trắc nghiệm Tiếng Anh 12 - Unit 6: Endangered species (Writing)