问题
选择题
He _______ have escaped, but he chose to stay and fight.
A．must
B．could
C．will
D．need
答案
答案：B
could have done本能做某事实际没做 ; 句意：他本可以逃跑但是他选择留下来战斗。
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He _______ have escaped, but he chose to stay and fight.
A．must
B．could
C．will
D．need
答案：B
could have done本能做某事实际没做 ; 句意：他本可以逃跑但是他选择留下来战斗。