—How many times have you been to China? —In fact, it is the first time I __________ here.
#92058
A
have been
B
am
C
had been
D
was
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I am going to do ______ I can ______ him a good impression.   
#92859
A
all what, leave
B
all, to leave
C
all that, leave
D
what, leave
A new study suggests that the more teenagers watch television,_______ develop depression(抑郁症) as young adults.
#92109
A
the more likely they are to
B
the more likely they are
C
they are the more likely to
D
the more likely are they
____ ,I have never seen anyone who is as energetic as Barack Obama.
#94654
A
As long as I have interviewed many leaders
B
Since I have interviewed many leaders
C
Many leaders although I have interviewed
D
Many leaders as I have interviewed
In the forest____, who made no contact with the outside world.
#93232
A
living a couple
B
were a couple living
C
did a couple live
D
lived a couple