用括号中所给的单词的适当形式填空,完成下列句子.
1.The boys would like____(invent) an interesting toy.
2.I want to tell you how ______(save) the environmen under the sea.
3.Unluckily his sister was hurt _____(bad) in the traffic accident last week.
4.Look!She _____(look) for some information about the hotel.
5.She walked _____(quick) across the road and into a shop.