问题
选择题
Only when the meeting was over___ go back to meet his friend.
A．he could
B．he was able to
C．was he able to
D．was able to he
答案
答案：C
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Only when the meeting was over___ go back to meet his friend.
A．he could
B．he was able to
C．was he able to
D．was able to he
答案：C