问题

She _____ on this essay for twenty minutes but she has written only about a hundred words

A:will be working
B:worked
C:has been working
D:will have worked

正确答案是：

同类题型

_____ everyone else wouldn’t go to the dark cave, he went into it without hesitation

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The teacher told us _______.

_______is your cousin—She is 15.

Would you like to go swimming with us next Sunday, Linda—Sure, I’d love to, but next week is _______for me.