He is busy preparing for the speech,so he cann’t help_____the experiment with usHe is busy preparing for the speech,so he can’t help_____the experiment with us.A.carry out B.carrying out C.carried out D.with carrying out为什么选A.我知道can't help to do sth 表示不能帮忙做某事,我觉得这里是不能帮忙做某事,为什么省略了to?Weather_________(permit),we’ll go to the countryside and enjoy the fresh air.为什么填permitting,为什么要用-ing形式?
问题描述:
He is busy preparing for the speech,so he cann’t help_____the experiment with us
He is busy preparing for the speech,so he can’t help_____the experiment with us.
A.carry out B.carrying out C.carried out D.with carrying out
为什么选A.
我知道can't help to do sth 表示不能帮忙做某事,我觉得这里是不能帮忙做某事,为什么省略了to?
Weather_________(permit),we’ll go to the countryside and enjoy the fresh air.
为什么填permitting,为什么要用-ing形式?
答
HELP 后的动词不定式可省去TO
答
HELP 后的动词不定式可省去TO,一定要记住,又如
He often help me (to )clean the floor.