Between the two periods of classes is a break, we can have a short rest.
8. Be careful ! The slightest spark could ______ the fireworks.
7. The police are offering a $ 60,000 _____ for information about the killer.
6. People generally think that smoking is a bad ______ .
5.We invited her to dinner but she didn’t even bother to _______ .
4. —Where does your little daughter want to go during her holiday ? —She is always looking forward to _____ to the Wu Yi Mountain.