is that,doing,to do 区别在哪里?我在一个句子里见过,有时回答问题时回答比如：The method is that.也有的时候出现了：One of the things she is looking forward to is doing.还有的是The purpose is to show.这些有什么

It's worth much ()is worth(c).A.to do that,to do B doing that ,doing C ,to do what ,doing D doing what,to do这一题目为什么选C spend time on doing something is correct, is that spend time to do something okay? Do not make her_this or that.She is to busy.A.to doB.doC.doing is to do与is doing区别 advise sb that to do/doing都有吗 is committed to do 还是to doing is subject to do 还是to doing? ____ is good for us ___ moring exercises every day.A.That,doing B.That,to do C.It,doing D.It,to do it is fun to do 还是 doing? It is worth to do还是doing It is useless to do?doing? It is an effective approach to do还是to doing? It is an effective method to do还是to doing? Is it right __you __so?A.for;to do B.for;doing C.to;to do D.to;doing is difficult to do sth .还是to doingis difficult to do sth .还是to doing sth, It is time for doing还是to do there is no point to do还是doing? it is great fun +doing还是to do