题目内容
By the end of last term, we ________ twenty songs.
[
]
A .had learned |
B .have learned |
C .are learning |
D .were learning |
答案:A

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相关题目
By the end of the last month, I _____________ all the CDs of Justin Bieber.
A.collect | B.collected | C.have collected | D.had collected |