问题
选择题
.We were just about ready to leave _____ it started to rain.
A．when
B．before
C．after
D．since
答案
答案：A
连词辨析。A. 当……时 B. 在……之前 C. 在……之后 D. 自从……以来，句意：当开始下雨时，我们正准备离开。故选A。
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.We were just about ready to leave _____ it started to rain.
A．when
B．before
C．after
D．since
答案：A
连词辨析。A. 当……时 B. 在……之前 C. 在……之后 D. 自从……以来，句意：当开始下雨时，我们正准备离开。故选A。