You could have done much better yesterday. Why _____?
A. didn’t you
B. couldn’t you
C. hadn’t you
D. shouldn’t you
A. didn’t you
B. couldn’t you
C. hadn’t you
D. shouldn’t you
【答案】
A. didn’t you
B. couldn’t you
C. hadn’t you
D. shouldn’t you
A. didn’t you
B. couldn’t you
C. hadn’t you
D. shouldn’t you
【答案】
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