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

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Rewrite sentences without changing the meaning

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

Mrs Smith knew Sam had gone to the library.

Mrs Smith wasn't sure where Sam had gone.

Sam was allowed to go to the library.

Sam had certainly not gone to the library.

Giải thích

Đáp án: B

Giải thích: Câu gián tiếp; May have P2: có thể đã làm gì

Dịch nghĩa: Bà Smith không chắc Sam đã đi đâu.