是What should i buy 还是What shall i buy?同上请阐述理由。顺便说说 should 和 shall的区别和用法

是What should i buy 还是What shall i buy?同上请阐述理由。顺便说说 should 和 shall的区别和用法 What should I _____(buy)_____(give)them What should I (buy) for her tenth birthday是用所给词的适当形式填空I 后面是填空的地方What should I (buy) for her tenth birthday 改为同义句：I don’t know what I should buy her.I don't know _____ _____ buy her. i couldn'd decide___ a.what to buy b.which oen to buy c.to buy which one d.which one should i buy what should i do for you?i want to buy a pair of shoes 改错 I don't know .What book should I buy for my son.(合并为一句) I don't know what books i should buy for my son .改为同意句 what should i get my grandma for her birthday 、 -why __you ___a scarf A not buy B don't buy C don't to buy D not buy what I should write to him还可以怎么说 What should I buy for Tom's birthday? How about_______camera? He love taking photos. what should i do What should I do What should I do? what should i wear? what should I do? what i should do 和 what should i do 哪个是正确的? 第十七题对吗 是what I should do还是what should I do