what do you think the most helpful invention is?可不可以把这个理解为一个

what do you think the most helpful invention is?可不可以把这个理解为一个 What do you think is the most helpful invention,do you think what do you think is the most helpful invention.为什么不是What do 急：为什么What do you think is the most helpful invention?和what d 初三的几道英语习题1.What do you think is the most helpful invention?2 What do you think is the most useful invention?这句中do you thi what do you think is the most useful invention in the world 连词成句 What do useful you think invention is the fourth most most,you,is,the,inveresting,think.invention,do,what(连词成句） Do you think what invention is the most useful 这句话对吗 A:____ do you think is the most interesting invention? what do you think is the ___(annoy) invention?