题目内容
21、Armed police and railway workers were removing snow from the track to a train stuck near Jining in Inner Mongolia.
A．recover B．free C．protect D．clear
试题答案
21、B
相关题目
Armed police and railway workers were removing snow from the track to _______ a train stuck near Jining in Inner Mongolia.
- A.recover
- B.free
- C.protect
- D.clear
Armed police and railway workers were removing snow from the track to _______ a train stuck near Jining in Inner Mongolia.
A．recover B．free C．protect D．clear
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