问题

I’m going to the States.—How long ________you________ in the States
A:are; stayed
B:are; staying
C:have; stayed
D:did; stay;
B:are; staying
C:have; stayed
D:did; stay;
正确答案是:
同类题型
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I don’t remember when and where I this umbrella.
I beautiful flowers from Mike just now, but I don’t want to them.
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