I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if
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I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if
I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if
I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if
whether .or not=if意为是否,这是固定短语
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A
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A
【答案】
A
【分析】
whether ……or not是固定短语,表示是否的意思
这里不能用if,if可以表示是否的意思,但不需要or not
希望能帮助你!
a
选A.whether
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