Last Sunday, we went to China Dinosaur Land in Changzhou. We ____________ there for 10 hours. 
#37611
A
have stayed
B
will stay
C
stayed
D
stay
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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
-- 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
The boy ______ home by the police last Sunday.
#36959
A
is taken
B
was taken
C
has taken
D
will take