--- It’s difficult for the village children to cross the river for school. --- I think a bridge _______

--- It’s difficult for the village children to cross the river for school. --- I think a bridge ________ over the river.

#45065

should be built

is being built

has been built

was built

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These days students in some schools ______ not to use mobile phones.

#44924

ask

asked

are asked

were asked

The old should _____ well.

#44832

be take care of

look after

be looked after

be taking car of

 We can raise more money for the disaster area Yu Shu if the clothes here            well.

#45062

sell

are sold

will sell

will be sold

Thanks to the Internet, different kinds of information        in a short time.

#44436

can be learned

has been learned

can learn

has learned

 I think students _____ to do homework with friends.

#44494

should allow

should be allowed

were allowed

must be allowing

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