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200字范文 > He doesn’t know they will plant trees on Saturday or not.A. weatherB. whetherC. ifD. that

He doesn’t know they will plant trees on Saturday or not.A. weatherB. whetherC. ifD. that

时间:2022-12-18 21:31:34

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He doesn’t know  they will plant trees on Saturday or not.A. weatherB. whetherC. ifD. that

问题补充:

He doesn’t know they will plant trees on Saturday or not.

A. weather

B. whether

C. if

D. that

答案:

A. weather

(答案→)B. whether

C. if

D. that

解析: weather天气;whether是否; if是否,如果;that因为,以至于.句意:他不知道他们是否在周六植树.if和whether都可以表示是否的含义,但是只有whether和or not搭配使用,故选B.

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