they keep their secrets to themselves为什么用介词“to”

改错题 They keep their room opened. They usually keep their classroom clean .clean做什么成分? they keep their secrets to themselves为什么用介词“to” should parents make their children promises they can't keep? keep their They must keep their hands behind their backstheir backs是宾补吧their hands 是keep的宾语吧? they promised they would stop their chicks doing it but they didn't keep their promises at all翻译 英语帝速来啊!they thought it their duty to keep the secret.they thought it is their duty to keep the secret.哪一句是正确的, People often keep dogs and cats as their p____.Some e____ keep pigs.I h___ mice.They are so dirty. 英语翻译their brains wouldn‘t keep discipline :they could not keep strictly to what another had written. When their father died,they thought it their duty to keep Eric in hiding.这里面为什么要...When their father died,they thought it their duty to keep Eric in hiding.这里面为什么要加it? they ___ to settle in the countryside.A.made up their minds B.made up their mind C.change their minds D.keep their mind The students promise that they will keep their school clean同义句 People keep dogs and cats because they enjoy their frienndship 什么意思?谢谢了! Their classroom is big.they keep _________(its)clean every day taxi driver passenages ____ their belongings when they leave.keep catch hold take 选填 They worked hard to ___________for their large family a.keep b.provide c.supply d raise to,also,fire,keep,they,their,safe,used,families 连成完整的句子