_______ was a time _______ women had no right to vote.
A good teacher should encourage his students to __________ the knowledge by themselves instead of just copying and memorizing what the teacher said in class.
—Could I ask you a rather personal question?—Sure, __________.
People try to avoid public transportation delays by using their own cars, and this __________ creates further problems.
The __________ look on his face showed that he hadn't expected it.
You didn't use to like him much when we were at school, __________?