四、遇到狂风暴雨的情况时，我们应该怎么做呢？选词填空。
A. must B. mustn’t
()1. We stand under trees.
()2. We use our umbrellas.
()3. We go into a house.
()4. We stand on a hill.

1. B 2. B 3. A 4. B

五、选词填空,补全短文。
stand you children must cloudy
The 1. are helping to clean up the park. But it’s get-
ting windy and 2. . A heavy rain is coming. They mustn’t
3. under trees. And they can’t use umbrellas. They
4. find a house. They are lucky(幸运的). A woman(女士) helps them. They go into her house. They say, “Thank
5. !”

1. children 2. cloudy 3. stand 4. must 5. you