He is only too ready to help others, seldom, ____, refusing them when they turn to him.A. if never B. if ever C. if not D . if any
—Because of the rain, we’ll have to ______the football match. —I’m free next Sunday if you would like to play then.
Due to bad weather, the police had to __________ the search for the missing boy.
This August will be very precious for graduates by which time they _________into a university.
Look! If we had begun to do the work yesterday morning, we _____ ourselves just like them.
John’s ability to learn from observations and experience _______ greatly to his success in public life.