All the passengers in the car escaped ___________.
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The boy was in _______________ when he couldn’t find his money.
A. desperation
B. desperate
He ___________ his childhood dream of becoming a lawyer.
A. fulfilling
B. fulfilled
经动平衡的回转件()静平衡的。
A. 不是
B. 一定是
C. 不一定是
经静平衡的回转件()动平衡的。
A. 不是
B. 一定是
C. 不一定是