问题
选择题
— ____________ you ____________ your homework last evening?
— Yes.[ ]
A. Did; did
B. Do; do
C. Do; did
D. Did; do
答案
答案：D
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— ____________ you ____________ your homework last evening?
— Yes.[ ]
A. Did; did
B. Do; do
C. Do; did
D. Did; do
答案：D