问题
选择题
We didn't have enough chairs, _____ some of the students had to sit on the floor. [ ]
A. or
B. as
C. so
D. but
答案
答案：C
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We didn't have enough chairs, _____ some of the students had to sit on the floor. [ ]
A. or
B. as
C. so
D. but
答案：C