---Mum, can I go to the zoo with Linda? ---When your homework _______, you can. 
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A
is finished
B
was finished
C
finishes
D
finished
推荐题目
The flowers _______often.
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A
must be water
B
must be watered
C
must watered
D
must water
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
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A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned
— What languages ___ in that country? —German and English.
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A
are speaking
B
are spoken
C
speak
D
is spoken