题目内容
The doorkeeper gave the alarm _______ he saw the smoke.
A.while |
B.the instant |
C.suddenly |
D.before |
【答案】
B
【解析】略
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题目内容
The doorkeeper gave the alarm _______ he saw the smoke.
A.while |
B.the instant |
C.suddenly |
D.before |
B
【解析】略