酷q群机器人:What are the two things people never eat before breakfast是什么意思？

what are the two characteristics of the componet ions that determine the crystal sture? which cities are on the rivers ,what the cities are famous for?tell two cities is ok. what are the problems of being a non-white American during World War Two? What are the two things people never eat before breakfast是什么意思？ What are the two products of language development in the 18th century? How do you understand them? There are two mistakes in this sentenes.What are they? There are two mistakes in this sentense. What are they? The two boys are quite d____. The two brothers are as like as two peas. What are the rooms? 是什么意思