三、用括号中所给单词的适当形式填空。
13.The heron（苍鹭）is a tall, white, strange bird with long thin legs. It often lives at the top of tall trees.
14.We should connect what we learn with what we're interested in.
15.— What do you think of the dress? — To some degree, it's not worth the price.
16.After taking some tennis classes, Tim is much stronger（strong）than last year.
17.Leo likes speed skating best and he thinks it's the most exciting（exciting）event（比赛项目）at the Beijing Winter Olympics.
18.High-speed trains are much faster than the traditional ones（one）.
19.I had visited（visit）many places of interest in China since I came here last year.
20.The police are still working to find out who broke（break）the window of the shop last night.
21.Surabaya, the second largest city in Indonesia, is on the eastern（east）end of the country's main island Java.
22.After playing outside for a few hours（hour）, I became very hungry.
23.Our maths teacher is very humorous. She has her ways to make classes lively and interesting（interest）.
24.The ancient people developed a way of printing, using rocks（rock）.
25.Mike's efforts paid off. He won the prize out of several thousand（thousand）people.