Experts say walking is one of the best ways for a person to __________ healthy.
If the rain keeps falling, it will __________ our whole plan.
As is reported, the floods happening in Thailand __________ thousands of houses and killed many people.
In the countryside, wood can __________ a fire.
We will be given a(n)__________ to ask questions at the end of the lecture.
Every time she tried to argue with her husband, she __________ crying her eyes out.