---Where is your father? ---He _______ to Shanghai. He has ever ______ there twice.
#42437
A
has gone, gone
B
has been, been
C
has gone, been
D
has been, gone
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If you ___him tomorrow,please ask him if he____ to work on the farm with us.  
#40609
A
see,goes
B
will see,goes
C
will see,will go
D
see,will go
 Look! The children ______ in the river.
#39757
A
swim
B
are swimming
C
is swimming
D
swims
—Why didn’t you go to the movie yesterday? —Because I_________it before. 
#42506
A
had watched
B
have seen
C
have watched
D
had seen