I                       to Shanghai three times.
#37406
A
have gone
B
have been
C
went
D
was
推荐题目
-Why does the river smell terrible? -Because the water_______.
#42170
A
was polluted
B
has been polluted
C
will be polluted
D
has polluted
Don’t return the video to Peter, I _____ it.
#37303
A
don’t watch
B
won’t watch
C
haven’t watched
D
wasn’t watching
 My coat _______ there behind the door. Can’t you see it?
#41671
A
is hanged
B
is hanging
C
hangs
D
has hung