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I was about to leave my house________the phone rang.
A. while B. when C. as D. after
I was about to leave my house ________ the phone rang. A. while B. when C. as D. after
I was about to leave my house _____the phone rang.
A．while B． when C．as D．after
I was about to leave my house________ the phone rang．
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从所给的四个选项中选择最佳答案
I was about to leave my house ________ the phone rang．
A．after B．as C．when D．while
B. when C. as D. after