The whole hall _____ to wait for the announcement of the winner of the first prize.

Don’t be joking It’s time to ______ your business

We students can _______ food and old clothes to the homeless people, and the teachers can __________ learning skills for the poor children.

MrSmith graduated from college at the age of 23, and ___________ he has been working as a teacher in a middle school

Tom can_____ the subway to the zoo, but he likes to go there_____ foot.