Drunk driving used to occur _______, but now it is under control.

The boy is very fat ______ too much food.[ ]

. There are so many kinds of tape-recorders on sale that I can’t make up my mind ____to buy.

How do you study English so well? —I think _________ English movies is a good way to learn English.

Do you know the boy ____ is playing soccer there?—Certainly, he is a friend of my _____