问题

What _____?—–I______my key and can’t open the door
A:happened, lost
B:has happened, lost
C:happens, have lost
D:has happened, have lost
B:has happened, lost
C:happens, have lost
D:has happened, have lost
正确答案是:
同类题型
He seems too tired today, and I wonder__________ he got a good sleep last night.
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1 The little girl ________ to be a good singerif she gets good training in a music school
He is constantly ________ not to do that, but he still goes on doing it all the same