问题
It’s nice to see you again. What_________since we last met
A:have you done
B:had you done
C:have you been doing
D:did you do
B:had you done
C:have you been doing
D:did you do
正确答案是：
同类题型
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is said to have written two books last year.一Yes, so he＿＿．They are both about the Second World War.
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