After I ______ my homework, I went out to an aquarium.
#41860
A
was doing
B
did
C
does
D
would do
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If the homework _______, you can go home.
#37038
A
did
B
has done
C
will be done
D
is done
Fish ________ without (没有)water .
#42450
A
dies
B
is dying
C
won’t die
D
will die