---Great changes         in the past ten years in China.---I agree with you.
#39783
A
took place
B
have taken place
C
were taking place
D
had taken place
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Mr. White           a lot of places of interest in China .
#39893
A
have gone to
B
has gone to
C
have been to
D
has been to
—When _______you return the magazine? –Three days______. 
#39678
A
will; ago
B
did; ago
C
will; more
D
did; before
I know a little about Thailand, as I ________ there three years ago.
#40684
A
have been
B
have gone
C
will go
D
went
---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