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I wonder who drank all the milk yesterday. It _____ have been Maria because she was out all day. 

I wonder who drank all the milk yesterday. It _____ have been Mar

Câu hỏi

Nhận biết

I wonder who drank all the milk yesterday. It _____ have been Maria because she was out all day.

 


A.
can’t
B.
must
C.
could
D.
needn’t 
Đáp án đúng: A

Lời giải của Luyện Tập 365

Những sự suy diễn phủ định (negative deductions) về một sự việc trong quá khứ được diễn đạt bởi: can’t/couldn’t + have + quá khứ phân từ hoặc can’t/couldn’t + have + been + V-ing (tiếp diễn).

Đáp án là A. I wonder who drank all the milk vesterday. It can’t have been Maria becanse she was out all day. (Tôi tự hỏi hôm qua ai đã uống hết sữa. Không thể nào là Maria vì cô bé đi vắng cả ngày.)

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