__________we get onwell with a number of people，we are usually friends with only a few

Just as the experts _______ it, this kind of material is not natural, but man-made.

Every day ________ a proverb aloud several times untilyou have it memorized

Where did you come across your old classmate Jane—It was in the supermarket ________ she worked ________ I came across her.

Let’s play basketball.—No, _______.