he ___work out in his spare time to keep fit,___he?选择B为什么,

题目

he ___work out in his spare time to keep fit,___he?选择B为什么,
he ___work out in his spare time to keep fit,___he?
A need ,needn't B needs to ,doesn't C needs ,doesn't D need ,don't

答案

"need"可以做实义动词也可以做情态动词,做实义动词时 ,B中 是“need to do.."的句型,这时 反问句 后半部分 要用相应的实意带动词“do”,这里是第三人称单数形式,所以用“does”.如果选A,“need ”是作为情态动词使用...