题目内容：

-Where__the dictionary?I can't see it.-I __it right here a moment ago.But it's gone.
-Where__the dictionary?I can't see it.
-I __it right here a moment ago.But it's gone.
A.did you put;have put
B.have you put;put
C.had you put;have put
D.were you putting;had put

优质解答

B第一句是：你把字典放哪里了?用完成时就象问：你去过哪里了?where have you been?动作的确发生在过去,但结果在现在的用完成时（结果是找不到了）第二句：我一会儿前（a moment ago表示过去时间的状语,必须用一般过...