◎ 题干
填空
1. It is necessary                (sit) down to have a rest.
2. If he____(be)to come, what should we say to him?
3. These water cups         ____(make) of paper.
4. Their medical team(医疗队)         ____(make) up of doctors ,nurses and other skilled members.
5. There would no longer   ____(be) lives if there       ( be) no water on earth.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“填空1. It is necessary (sit) down to have a rest.2. If he____(be)to come, what should we say to him?3. These water cups ____(make) of paper.4. Their medic…”主要考查了你对  【系动词】【被动语态】【不定式】【一般现在时】【虚拟语气句】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。