题目内容
Either you or one of your students __________ to attend the meeting that is due tomorrow.
| A．are | B．is | C．have | D．be |
B
解析试题分析：本句的主语either you or one of your students遵循就近原则，谓语动词应该和one of your students保持一致，故使用单数形式。句义：要么是要么是你的一个同学去参加明天要举行的会议。选项中只有B项使用的是单数形式。故B正确。
考点：考察主谓一致
If you had got up early, you_____ the early bus.
| A．have caught | B．will have caught |
| C．would have caught | D．had caught |
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
| A．has been used | B．have been used | C．is used | D．are used |
The number of people visiting the exhibition ______ 50, and a number of them ____ painters.
| A．was; was | B．were; was | C．was; were | D．were; were |
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| A．has | B．have | C．is | D．are |
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| A．were sent | B．was sent | C．has been sent | D．had been sent |
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| A．have | B．are | C．has | D．is |
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| A．had grown | B．grew |
| C．has grown | D．is growing |