––What a journey! We’ve finally arrived!––_____ an out-of-date train schedule, we would not have missed the train.
-----I’m afraid I’ve broken your chair.----- .I can easily get it fixed .
It was not until dark ______ he found that it was the correct way to solve the problem.
_______ breaks the law should be punished.
Einstein was __ a great scientist. He did a lot for human rights and progress.
_________ the lecture going on, the students got more and more interested.