5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 87
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Mr. Brown is very rich. He_____ work hard for a living. a. mustn't b. shouldn't c. can't

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Mr. Brown is very rich. He_____ work hard for a living.

mustn't

shouldn't

can't

doesn't have to

Giải thích

Chọn đáp án D