Question

【题目】Do you know _________ this time yesterday?
A.what she is cooking
B.what is she cooking
C.what she was cooking
D.what was she cooking

Answer 1

【答案】C
【解析】考查宾语从句。句意"你知道昨天这个时候, ......", 宾语从句用陈述句语序, 排除B、D；this time yesterday提示用过去进行时。故选C。