问题
选择题
The bell is ringing. Hurry up, _______ you'll be late for class! [ ]
A. and
B. but
C. while
D. or
答案
答案：D
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The bell is ringing. Hurry up, _______ you'll be late for class! [ ]
A. and
B. but
C. while
D. or
答案：D