摘要： The chairman was about to declare the conference open the lights went all out. A. as B. while C. then D. when
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The chairman was about to declare the conference open ____ the lights went all out.
A. as B. while C. then D. when
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The chairman was about to declare the conference open ____ the lights went all out.
- A.as
- B.while
- C.then
- D.when
The chairman was about to declare the conference open ____ the lights went all out.
A. as B. while C. then D. when
查看习题详情和答案>>The chairman was about to declare the conference open ____ the lights went all out.
A．as B．while C．then D．when
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The chairman was about to declare the conference open ____ the lights went all out.
| A．as | B．while | C．then | D．when |