A-A+

I'll call you tonight at 10 o'clock ______ I c

2022-08-05 18:40:05 问答库阅读 171 次

问题详情

I"ll call you tonight at 10 o"clock ______ I can find a telephone that works.
A．unless
B．suppose
C．provided
D．when

正确答案：C
解析：provided引导条件从句。