He is only too ready to help others, seldom, ______, refusing them when they turn to him.

If we can ____ our present difficulties, then everything should be all right.

Jenny is quite good at taking notes. She can _______ almost every word her teachers say in class.

I think you’d better              your bad habits before you marry.

Mr. Irvine, who ________ in a high school for forty years, is now living in retirement.