题目内容
8、At last he _____ finish the work ahead of time.
A．could B．was able to C．could be able to D．can be able to
试题答案
8、B
相关题目
题目内容
8、At last he _____ finish the work ahead of time.
A．could B．was able to C．could be able to D．can be able to
试题答案
8、B