问题

Sorry, Professor Smith. I didn’t finish the assignment yesterday.— Oh, you()have done it as yesterday was the deadline. [ ]

A: Should
B: mustn't
C: must
D: shouldn't

正确答案是：

同类题型

I saw him when I passed by.

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I’m sorry, madam, those shoes are only ____ in small sizes. You can come again the day after tomorrow.

What a nice day! We should go sightseeing ________ watching TV in the hotel.

What could I get my father for Father’s Day —___________getting him a tie