题目内容
------So how long have you been in Beijing?
-----Just a couple of days.I'm on a great tour, you know, and I __ all the places of interest here.
A.visited B.am visiting C.have visited D.have been visiting
D

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题目内容
------So how long have you been in Beijing?
-----Just a couple of days.I'm on a great tour, you know, and I __ all the places of interest here.
A.visited B.am visiting C.have visited D.have been visiting
D