题目内容
【题目】We________more than 1,600 words since we began to learn English.
A.learn
B.have learned
C.learned
D.are learning
【答案】B
【解析】由since we began to learn English可知,要用现在完成时。
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题目内容
【题目】We________more than 1,600 words since we began to learn English.
A.learn
B.have learned
C.learned
D.are learning
【答案】B
【解析】由since we began to learn English可知,要用现在完成时。