They b---their knees and move their legs to the( )

They b---their knees and move their legs to the( ) They put their knees together,改成现在进行时 英文句子They had to knock off enough ice to get down their knees. 第七：A,their.them B,they.their C.their,they Their preferred route,should finish the knees b-------- they want to show their t-------- take( )A.their B.they C.them ______Math book,they'er_____books.A.Their;______Math book,they'er_____books.A.Their;they B.They're;their C.Them;their D.They;them's The children like to _____ around the house _______ their hands and knees.A.run;by B.walk;on C.walk;by D.run;on ---what are__________?---__________pineapples.A.this;their B.their;they're C.those;they're选择填空 这名英语如何译They were down on their knees in the mud.后句:There must have been at least eight inches of mud on the ground. What are they?A.They are their teachers.B.They are teachers .要说明原因 l like _very much. A:they B:it C:their They cannot find （ ）mother.A them B their He likes _very much.A:they B:them C:their （） Math books.They're books.They're （） books. A Their,they B They're,their CThem,theirD they,them's These are____CDs.A.mine B.yours C.our D.These are____CDs.A.mine B.yours C.our D.hersWhere're____pens?-____are on the desks.A.they;Their B.their;Their C.they;They D.their;They [ ]not your books.[ ]books are here.A.Their...They B.They're...They're C.Their...Their应选择谁?为什么选择它