Great changes _________ in Tongren in the past five years.
#42335
A
have happened
B
have taken place
C
have been happened
D
have been taken place
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– Look at these factories. I hate them. They____ many rivers here. --Yes. Something ______ to stop the pollution.
#39701
A
polluted, must do
B
had polluted , must be doing
C
have polluted , must be done
D
were polluting, must be done
----What would you like to do this Sunday?-----If it doesn’t rain, I _______to Mount Qingyun for a spring field trip.
#39839
A
will go
B
goes
C
went
D
go
-- Tony, do you know if Frank ______ to the park with us this Sunday if it ______? -- Sorry, I have no idea.
#42540
A
will go; is fine
B
goes; is fine
C
will go; will be fine
D
goes; will be fine
What ________ you ________ at this time yesterday?
#37876
A
did, do
B
have, done
C
were, doing
D
are, doing