all she does is cry←省略了to?为什么可以省略?

all she does is cry←省略了to?为什么可以省略? My mother is a housewife.She does ( ).A.all the housework B.the all housework but why does she cry翻译中文是什么意思 cry is not she 连词乘句子 She does all kinds of thing to make the baby____.A.to stop crying B.stop crying C.to stop to cryD.stop to cry why does she cry she is so luck 是哪首歌曲的歌词,我只记得这一点了,那位大神知道 All she does is go blah-blah-blah all night is 后为什么能加动词原形go Does she do_____in all the subjects?Yes.And herfavorite subject is English. That is all she She always ____(cry) when she is hungry. she does it all the time `````but she is so preety i don't mind这是什么歌 does she和is she的用法 WHO DOES SHE THINK SHE IS怎么样 -______your best friend May like?-She is a polite and help gire.We all like her.A.What does B.How does C.What is D.How is The baby ___ (cry) when she is hungry. (2/4)翻译,Ok.I ` LL _ it .Here is the money .All right ._ does she (2/4)翻译,Ok.I ` LL _ it .Here is the money .All right ._ does she if she is all right