What ___ you ____ at 9:00 yesterday?I ____ some food.

问题描述:

What ___ you ____ at 9:00 yesterday?I ____ some food.
What ___ you ____ at 9:00 yesterday?
I ____ some food.
A.did,do make B.are,doing,made C.were,doing,was making D.were,doing,make

选c ,考你的过去进行时态的掌握(was /were + v-ing)
--昨天九点你正在做什么? --我在做些食物.