问题
选择题
It was ___she was about to go out ___the telephone rang.
A．when ; that
B．so; that
C．before; then
D．when; before
答案
答案：A
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It was ___she was about to go out ___the telephone rang.
A．when ; that
B．so; that
C．before; then
D．when; before
答案：A