---Zhangjiajie is worth visiting. I        there with my parents during the holidays.---I agree. I have been there twice.
#99043
A
went
B
have gone
C
have been
D
am going
推荐题目
(2014·宝鸡三检)By the time the girl comes back to life,scientists probably________a cure for this incurable disease.
#99123
A
will have discovered 
B
are discovering
C
will be discovering 
D
have discovered
The new secretary is supposed to report to the manager as soon as she _______.
#104165
A
will arrive
B
arrives
C
is going to arrive
D
is arriving
---- If he_____ , he ______ that food.              ---- Luckily he was sent to the hospital immediately.
#102860
A
was warned; would not take
B
had been warned; would not have taken
C
would be warned; had not taken
D
would have been warned; had not taken