Unit 2 Section Ⅱ
Ⅰ.语法填空
1．—I didn't go to work yesterday because my car broke down.
—You __could__ have borrowed mine.I wasn't using it then.
解析：考查情态动词＋have done。句意：——由于我的车坏了，昨天我没有去上班。——你本来能够用我的车，当时我并不用车。事情发生在过去，could have done本来能够做……，暗含实际上没有做。
2．Sometimes his present job __can__ be boring，and he has to work for long hours a day.
解析：句意：有时他现在的工作有可能很没趣，并且他一天中还必须工作很长时间。can表示事情一时的可能性。
