问题

Never before________ seen a girl who canswim as fast as Ye Shiwen
A:I did find
B:did I find
C:I had found
D:was I found
B:did I find
C:I had found
D:was I found
正确答案是:
同类题型
How’s that? Who broke the glass? —Well, it ___meI was doing my homework the whole evening
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you been to the United States—Yes, only once I ________ there only forseven days
I’d like to take _____ of this opportunityto thank you all for your cooperation.