to do 和ingChina is the third country_____ its astronauts into spaceA.SendingB.To send-----请说明答案,以及原因和相关的语法知识.说明知识的时候最好有例句.－－请勿抄袭,

to do 和ingChina is the third country_____ its astronauts into spaceA.SendingB.To send-----请说明答案,以及原因和相关的语法知识.说明知识的时候最好有例句.－－请勿抄袭, not to do,和 don't do的区别, don't have to do sth 是否等于don't need to do sth 和needn't do sth He is too young to do the researchHe is ___young___he can't do the resaerch didn't use to do 和 usedn't to do 一样吗 都是什么意思 . there is only one thing you( ) to do A mustn't B needn't Cwouldn't is to do 和 do 是什么区别,在英语当中 宾语从句中how 和what区别1.he is very upset ,he doesn't know _____ to do a.what to do b.how to do c.how to do it d. do what2.how do you like the film? what do you think of the film?3. however the weather is like? whatever the we it is...for sb.to do...和it is...of sb.to do...的用法 needn't do和don't need to do有啥区别 can't help do 和 can't help to do的区别 sth.is not meant to do,和 sth.doesn't mean to 是一样的意思吗?还是一个是被动一个是主动?请举些例子 don't like to do和 doing有什么区别? can't wait for和can't wait to do的用法和区别can't wait for和can't wait to do用法和区别. didn`t need to do 和need not to do区别 need not to do 和don‘t need to do,哪个对? didn`t need to do 和need not to do区别 Don't try to do sth.和 Try not to do sth.有什么区别?