What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.
Although he sometimes loses his temper, his students like him___for it.
It is said _____has been translated into Chinese.
The meeting was long and the speakers said ____nothing worth listening to.
The Titanic, the biggest ship of its day, ____ unsinkable, but it sank on its first voyage in 1912.
We'd better get up earlier than usual if we want to catch the train, ____?