题目内容
—I________ some new CDs.
—When_________ you_________ them?
—Yesterday morning.
—When_________ you_________ them?
—Yesterday morning.
[ ]
A. buy; did; buy
B. buy; do; buy
C. have bought; will; buy
D. have bought; did; buy
B. buy; do; buy
C. have bought; will; buy
D. have bought; did; buy
D
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