问题描述：
You've been busy,haven't you?
A,I was busy last week
B ,Yes,I've been working hard on my paper
C ,I will get busy with my English studies
D,I'd like to get busy like our teachers.
A,I was busy last week
B ,Yes,I've been working hard on my paper
C ,I will get busy with my English studies
D,I'd like to get busy like our teachers.
问题解答：
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