I have no choice but _____and sleep

Will you buy me a new iPod, Dad?—OK. You __________have one if you promise to take care of it.

Even if______,I will not go to the party, for I am too busy to get away.

he is always thinking much of himself, he ______ be helpful when staying with others.

The teachers often tell their pupils_____ across the road when the traffic light is red.