He promised to be careful and (to) return home early.这句话加to与

He promised to be careful and (to) return home early.这句话加to与 The children promised to be careful and that they would retu he promised to return home 为什么不加to return to home 有return to home he had promised to come and help us and------ be careful to 与 be careful with 的区别 He promised to return the book the next day without _____. 英语提问early to bed and early to rise ,makes a man healthy.这句话中 take care ; be careful ;to be careful ______ he realized it was too late to return home.