This is the second time that you ______ the Summer Palace.
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A
visited
B
have visited
C
had visited
D
are visiting
推荐题目
He has changed a lot. He _________ not what he _________. 
#104719
A
is, is
B
was, was
C
is, was
D
was, is
--- What is that wonderful smell? --- Our neighbor ________ for a party.
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A
have prepared
B
is preparing
C
prepare
D
will prepare
An exhibition of paintings __________ at the museum next week.
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A
will hold
B
is to be held
C
are holding
D
are to be held