“I wonder why they’re late.” “They ______ the train.”

“Tom graduated from college at a very young age.”“He ______ have been an outstanding student.”

You ______ the examination again since you had already passed it.

He is really incompetent! The letter ______ yesterday.

When we reached the station, the train had still not arrived; so we ______.

Since your roommate is visiting her family this weekend,_____ you like to have dinner with us tonight?

He was afraid what he had done ______ a disastrous effect on his career.

The employments were quite unsatisfied with the ____ explanation given by the managers and decided to go in strike.

We tried all sorts of medicine but they were all ____.

She had to __________ several times a night when her baby was ill.