题目内容
What ____ you ______ at this time yesterday?
A.did ; do |
B.is; doing |
C.were; doing |
D.are ; doing |
【答案】
C
【解析】at this time yesterday是过去时的显性标志,故选C.
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题目内容
What ____ you ______ at this time yesterday?
A.did ; do |
B.is; doing |
C.were; doing |
D.are ; doing |
C
【解析】at this time yesterday是过去时的显性标志,故选C.