Learning how to repair computers takes a long time,______?A.isn’t itB.aren’t theyC.doesn’t itD.don’t they

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Learninghowtorepaircomputerstakesalongtime,______?A.isn’titB.aren’ttheyC.doesn’titD.don’ttheyLearnin

Learning how to repair computers takes a long time,______?A.isn’t itB.aren’t theyC.doesn’t itD.don’t they
Learning how to repair computers takes a long time,______?
A.isn’t it
B.aren’t they
C.doesn’t it
D.don’t they

Learning how to repair computers takes a long time,______?A.isn’t itB.aren’t theyC.doesn’t itD.don’t they
isn't it
主语是动名词,谓语动词用单数形式的be动词

Learning how to repair computers是动名词作主语,take用的是三人称单数,反义疑问句答案用A.

这是一道反义疑问句
首先,前面的句子是肯定,所以疑问用否定。。
选项都是否定……
其次,前面的句子用动名词开头提问,
动名词再前谓语用be动词is,即单数形式,与do或does无关。

A