单项选择 适中0.65 引用1 组卷79
—Is that girl Susan?
—It ________ be her. She left for Beijing yesterday.
—It ________ be her. She left for Beijing yesterday.
| A．needn’t | B．can’t | C．mustn’t |
2021八年级·全国·专题练习
类题推荐
—Look! Mr. Ji is playing basketball with his students.
—It ______ be him. He has gone to Beijing.
—It ______ be him. He has gone to Beijing.
| A．mustn’t | B．can’t | C．needn’t |
—Must we keep the windows open all the time to prevent the COVID-19?
—No, you ________. You can close them sometimes.
—No, you ________. You can close them sometimes.
| A．don’t have to | B．mustn’t | C．shouldn’t |
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