2. 外语
  3. If a skydiver Awas not attached to a static line, Bwhich will automatically Copen the parachute, he can free-fall before Dpullin

If a skydiver Awas not attached to a static line, Bwhich will automatically Copen the parachute, he can free-fall before Dpullin

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问题 If a skydiver Awas not attached to a static line, Bwhich will automatically Copen the parachute, he can free-fall before Dpulling the rip cord.
选项 A、 
B、 
C、 
D、 
答案A
解析 Was is an incorrect auxiliary in the condition clause of this present/future real conditional sentence. Correction: is.
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