My father warned me _______ going to the West Coast because it was crowded with tourists.

Smoking too much will       your health greatly.

—Does Shelly like shopping?—Well, she would rather spend time _____at home than ______in the street.

He made up his mind to devote his life _____ pollution ______happily．

The boy’s father insisted that the boy ______ badly and that he ______ to the nearest hospital at once.