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Câu hỏi:

18/07/2024 145

I suppose they are very tired. They have been working all morning.


A. Because they have been working hard they are now very tired.



B. They must be very tired as they have been working all morning.


Đáp án chính xác


C. They can be very tired due to working all moming.



D. They were very tired because of a hard working moming.


 Xem lời giải

Trả lời:

verified Giải bởi Vietjack

Kiến th ức: Đng từ khuyết thiếu

Giải thích:

must be: chắc hn, chắc lẽ

can be: có th (khả n ăng)

Tạm dị ch: Tôi cho r ng họ rt mệt. Họ đã làm việ c c buổi sáng.

A. Bởi vì họ đã làm việc vt vả c buổi sáng nên bây gi họ r t mệt. => sai nghĩa

B. Họ ch c hẳn rất mệt b ởi vì họ đã làm việc suốt buổi sáng. => đúng

C. Họ có thể rt mệt do làm vi c cả buổi sáng. => sai nghĩa

D. sai ngữ pháp: were => must be

Chọ n B

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