When the students were playing games on the playground, Jim suddenly stopped _____and began to cry, so we stopped _______ what was wrong with him.

To pull through, the Press is trying to get morereaders to _____ its newspapers instead of cutting down expenses.

In the 21st century, all nations must take their ________of responsibility for the global safety.

Dare you go swimming in the sea ? — No , ____ .

any bread that morning, we had nothing to eat.