It is a bad idea for her to copy(为什么不是copying)other's homework.for介词后面为什么不用doing形式?说明一下这个句型

It is a bad idea for her to copy(为什么不是copying)other's homework.for介词后面为什么不用doing形式?说明一下这个句型 I wonder——it is a good idea or a bad idea A.whether B.that why ___a bad idea to ask Amy for advice?A.do you think B.do you think is C.is it D.does itwhy ___a bad idea to ask Amy for advice?A.do you think B.do you think is C.is it D.does it is,us,of,think,idea,it,a,some,bad六年级英语连词成句, it is bad for you -How about going for a walk?-____.A.I will walk with you at eight B.That is not a bad idea C.Walking is a kind of exercise D.It will take me minutes For it is bad for our environment. it is a good idea for us this Saturday.为什么不可it is a good idea for us this Saturday.为什么不可以是C?C不对吗 it is a good idea for us this Saturday为什么不能是C it is a good idea for us this Saturday为什么不能是C A:It is time for bad now.B:It is time to ______ ______ ______ is,us,of,think,idea,it,a,some,bad(连词成句） to,you,wiis,us,of,think,idea,it,a,some,bad(连词成句）to,you,will,about,health,worry,have,your(连词成句） 英语翻译It is bad for ( ) to ( ) It is bad for our____ ____(healthy ) . I think it is bad for us It is a good idea for them to play games online 中文翻译 It is not a good idea for children to work too hard. Why is it a good idea to tell somebody about your dreams for the future? Don’t you think it is a good idea for the future什么意思?