PRACTICE TEST 9- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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I am absolutely sure. They ______ yesterday. I saw their ticket. A. should have arrived B. must have arrived C. must be arriving D. might have arrived

6/100

I am absolutely sure. They ______ yesterday. I saw their ticket.

should have arrived

must have arrived

must be arriving

might have arrived

Giải thích

Chọn đáp án B