Tom and Jack's mothers are music teachers错在哪

when__(be)Tom's and Jack's birthday Let's are good friends again ,Tom and Jack.病句 the desk is Jack and Tom's提问 1.Tom and Jack's ( 填 ) （room） ( 填 )(be)clean.2.Tom 'sand Jack's( 填 ) （room） ( 填 )(be)clean. Tom and Jack are Sam's best friends.这句话改成疑问句. Let's are good friends again ,Tom and Jack.这里面什么错了 Tom and Jack's mothers are music teachers错在哪 Are Tom and Jack like hamburgers?找错 Help____to some orange juice,Tom and Jack. Tom and Jack is from Japan改错 英语完形填空初一,首字母h 短文如下!Jack,Tom,Jim and Ruth are from the U.S.A..They are Americans.Jack and Tom are brothers.Jim and Ruth are Tom's son and daughter.So Jack is Jim and Ruth's uncle.Jack is old.He likes vegetables a lot,too. 一句英语,关于单复数和主谓一致的Jack's and Tom's mother is kind.Jack's and Tom's mothers are kind.哪个对,最好分析下, 改为同义句：Tom and Jack are in differentclasses.→Tom and Jack ____in____ ____ ___ the woman with a yellow dress is tom and jack's mother.这句话哪里错了? Let's buy some fruit for __(we) friends.Jack and Tom __(not have)a toy car. 那为甚麽tom and jack have different looks 这里不是第三人称单数为什么还要加s jack is tom's pet name (同义句转换）=jack is --- --- ---tom'pet nobody____seen the film.it's a pity A but Tom and Jack have B expect Tom and Jack haveCD在补充里C but my friends has D but I have