摘要：A.I rang you up a few minutes ago,and someone gave me a reply. B.I went to your home just now,but no one was there. C.I phoned you a few minutes ago,but there was no reply.
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What ________ you ________ when I rang you up last night?
[ ]
A．are, doing
B．were, doing
C．do, do
D．have, doing
— Hello, Jackey. I rang you up at this time yesterday evening, but nobody answered.
— Oh, I _____ the shopping in the supermarket with my mother.
— Oh, I _____ the shopping in the supermarket with my mother.
[ ]
A. was doing
B. do
C. did
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B. do
C. did