—It’s difficult for village children to cross the fiver to school．
—I think a bridge________over the river．
| A．should be built |
| B．will build |
| C．is built |
| D．was built |
—It’s difficult for village children to cross the fiver to school．
—I think a bridge________over the river．
| A．should be built |
| B．will build |
| C．is built |
| D．was built |
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