--have you ever been to Beijing before?
--No. it is the first time that I ____here.
A.am | B.be | C.have been | D.had been |
推荐试卷
--have you ever been to Beijing before?
--No. it is the first time that I ____here.
A.am | B.be | C.have been | D.had been |
试题篮
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