what shall we do for them? we'd better_____them iove and security.A afford B offer C support Dallow选哪个啊? 为什麼?

what shall we do for our parents What shall we do? what shall we do? What shall we do f___ What shall we do?回答 what shall we do?为什么不是 how shall we do? what shall we do?为什么不是 how shall we do? what shall we do 改被动语态 what shall we do等于什么? what shall we do after g what shall we do after lunch回答 请问...What shall we do tonight? what shall we buy for Father? what shall i do for the future 英语：What ___ we buy for grandmother next week?A.do B.would C.may D.shall do sunday what we shall this连词成句 What shall we do if it rains tomorrow?是什么意思? What should we do?那个“should”可以换成“shall”吗?