It is no use _________ to persuade him ________ smoking because he has been addicted to it since he wasyoung.
The number of people who _______ invited to the meeting _____ fifty, but a number of them _____ absent for different reasons.
The early pioneers had to _____ many difficulties to settle down on the new land.
The teacher called Tim’s mother ________ what he had done in the test.
--You are always full of ________. Can you tell me the secret?--Taking plenty of exercise every day.
The reason _____ they held a party was _____ it was Sue’s birthday.