题目内容
When and where this took place _____ still unknown.
| A．is | B．has | C．were | D．are |
A
解析试题分析：考查主谓一致：句意：这在什么时候什么地方发生的还不知道。主语是单个的主语从句的时候谓语用单数，unknown是形容词，前面用be动词，选A。
考点：考查主谓一致
字词句篇与同步作文达标系列答案Can you believe neither Amy nor Helen from English-speaking countries though they speak English so well?
| A．comes | B．come | C．are | D．goes |
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| A．Three quarters; is | B．Three fourth; is |
| C．Three fourths; are | D．Three quarters; are |
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—I heard the news _________.
| A．and; too | B．as well as; as well | C．as well as; as well as | D．with; either |
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| A．who are; that | B．who is; where | C．that is; that | D．whom are; on which |
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| A．is playing | B．have played | C．are playing | D．play |
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| A．are praised | B．is praised | C．praised | D．praising |
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| A．made | B．is making | C．makes | D．has made |