用括号内所给词的适当形式填空
1. Three_______(monkey) escaped from the zoo.
2. The_______(direct) of the local zoo told us the truth of the strange noise.
3. The students all felt________(happy) when they couldn't have the PE class.
4. Look at those people! They must _______(make)a movie now.
5. He is________(extreme) sad to hear his mother's death.
1. monkeys 2. director 3. unhappy 4. be making 5. extremely