It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
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A
was built
B
should be built
C
has been built
D
is being built
推荐题目
At that moment,he was last __________ the room with his friends.
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A
seen leaving
B
to see leave
C
seen to leaving
D
to see to leave
---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
English _____ as a second language in many countries. 
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A
speak
B
is spoken
C
is speaking
D
is speak
I think teenagers ____________ to choose their own clothes.
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A
be allowing
B
should be allowed
C
be allowed
D
should allowed