—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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---Let’s go fishing if it _______ this weekend.--- But nobody knows if it _________.
#36211
A
is fine; will rain
B
will be fine; rains
C
is fine; will be rain
D
will be fine;will rain
You can ’t get in. The exam  _____for over 30 minutes. 
#36950
A
has been on
B
has begun
C
began
D
begins
The robot is made_______ all the housework.
#37366
A
do
B
to do
C
doing
D
to be done