---Can people drive after drinking a glass of beer?---No. According to the law they _________.

You'd better take a heavy coat. Sometimes it ______ be very cold.

We _______ the difficulty together, but why didn’t you tell me?

— My  clothes are out of  style.-—Maybe  you  should  ______ some new clothes.

He________sleep，although he tried to，when he got on such a hunt for an idea until he had caught it.