单项选择 适中0.65 引用1 组卷110
—What can we do to protect our environment, Laura?
—To make our city more beautiful, rubbish _______ into the river.
—To make our city more beautiful, rubbish _______ into the river.
| A．needn’t be thrown | B．mustn’t be thrown |
| C．can’t throw | D．may not throw |
2021·广西北海·二模
类题推荐
—Tom is always careless with his homework. Could you help him?
—No problem! I think he ________ to think twice before starting.
—No problem! I think he ________ to think twice before starting.
| A．can be telling | B．can tell | C．should tell | D．should be told |
—It is difficult for village students to cross the river to school.
—I think a bridge ________ over the river.
—I think a bridge ________ over the river.
| A．was built | B．should be built | C．will build | D．is building |
Some of the milk got bad before reaching the market and ________ away.
| A．must throw | B．had to throw | C．had to be thrown |
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