题目内容
【题目】He seems to ______to Jane. He knows her well.
A.have been introduced B.be introduced
C.have introduced D.introduced
【答案】A
【解析】
试题解析:
seem to do sth:似乎做过某事; seem to have done sth:似乎已经做过某事;
seem to have been done : 似乎已经被做过某事
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