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问题: 英语

1.Everyone should do ______ best.
A.its B.ones C.their D.his
2.Except Mrs Lee and ______ ,no one was old in the waiting room.
A.his B.her C.I D.she
请给出正确答案并解释.

解答:

1D.2B
1: everyone 做主语,选项必须是单数,又因为do one's best to do sth.(尽某人最大努力做某事)所以选his

2:B except是动词,后面代词要用宾格,所以选B her

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