--- It’s difficult for the village children to cross the river for school.
--- I think a bridge ________ over the river.
| A．should be built | B．is being built | C．has been built | D．was built |
相关试题
The boy often got into
with the police.
| A．through | B．terrible |
| C．trouble | D．Trousers |
the cat before you leave.
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