问题
选择题
My brother is really ______. He often works in his office far into the night.[ ]
A. outgoing
B. hard-working
C. friendly
D. quiet
答案
答案：B
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My brother is really ______. He often works in his office far into the night.[ ]
A. outgoing
B. hard-working
C. friendly
D. quiet
答案：B
