them
因为parents 是复数1.Let _____(they) play tennis here.2.Do you have a ____(sport) collection? Yes,Ido.3.Mike and his sister _____(去)to school togerther in thr moring.themsportgoSoccer is diffcult for me.(改为同意句）Soccer is ______ _______ for me.Those girs like English.(变为一般疑问句，做肯定回答）______ those girls ______ English?Yes,_________.Soccer is hard game for me.Do those girs like English?Yes, they do.I love my English teacher.(用第三人称单数改写句子）_______ _______her English teacher.She loves her English teacher