After being admitted to a famous university, only _______ it hard to adapt himself to the atmosphere, he withdrew and chose a technical school.
Mr. White ________ at 8:30 for the meeting, but he didn’t turn up.
On Halloween, children in America like to _____ as ghosts to frighten people.
The little boy has not the ______ to lift the heavy box.
I am looking forward to ______ your answer as soon as possible.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.