根据中文提示填空。 1.He is a very _____________ (勇敢) young man. 2.It is ______________ (危险) to play football on the road. 3.The boy _______________ (倒) the water over a dog. The dog ran away. 4.He has a lot of _______________ (麻烦) with his homework? 5.I am taller and _______________ (苗条的) than David.