—Shall we go to Australia for the long holiday ?--Sorry. I _______ there twice.
#37531
A
have gone
B
was
C
have been
D
go
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The lifestyle we were used to ________ a lot these years. 
#39204
A
changing
B
changed
C
has changed
D
being changed
When I got to the cinema, the film _____ for five minutes.
#63713
A
had begun
B
has been on
C
has begun
D
had been on
Mum, may I watch TV for a while ? –of course, if your work _____.
#37289
A
is finished
B
finishes
C
have been finished
D
will be finished
I don’t know if he          tomorrow. If he        tomorrow, I will ring you up. 
#37252
A
comes, comes
B
will come, comes
C
will come, will come
D
comes, will come