—Do you know the Water Cube at all?—No, this is the first time I ________ here.
#99459
A
have been
B
came
C
was
D
am going
推荐题目
(2014·哈尔滨四校高三统一检测)In fact he lived a comfortable life,but he________about his fate all the time.
#99150
A
is complaining  
B
has complained
C
was complaining 
D
had complained
Although many measures _____, the world’s economy is still going down.
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A
are taken
B
were taken
C
will be taken
D
have been taken
By the time she_____体操比赛上 at the New York Good Will Games, she_________ a dedicated junior gymnast for eleven years. 
#103304
A
competed , have been
B
competes, had been
C
will compete, has been
D
competed , had been