问题
选择题
—Shall I tell your best friends what happened to you yesterday?
— they ask you. [ ]
A. Not if
B. Not unless
C. Not except
D. Not though
答案
答案：B
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—Shall I tell your best friends what happened to you yesterday?
— they ask you. [ ]
A. Not if
B. Not unless
C. Not except
D. Not though
答案：B