问题
选择题
five hours to the meeting, David learnt that it had been postponed.
A．Having driven
B．Driven
C．Being driven
D．To be driven
答案
答案：A
这题考查现在分词的完成式，做时间状语，因为是先开车5小时去开会，然后才知道会议被推迟了。选A。
搜题请搜索小程序“爱下问搜题”