---I have finished my homework already, mum.--- When ________ you ________ it?
#39868
A
did; finished
B
did; finish
C
have ; finished
D
were; finishing
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—It’s dangerous to swim here. Look at the sign!—Oh, I _______ it.
#36498
A
didn’t notice
B
don’t notice
C
hadn’t notice
D
haven’t notice
Mr. Wang told us that the moon ______ round the earth.
#39997
A
traveled
B
travels
C
traveling
D
travel
Look! What a clean room! Who _______it ?
#39852
A
has cleaned
B
is cleaning
C
will clean
D
cleaned