动词：
1.tell
2.clean
3.finish
4.wash
5.learn
6.invent
7.print
8.climb
9.skate
10.break
11.cry
12.practise
13.win
14.happen
15.ride
形容词：
1.important
2.dirty
3.angry
4.gold
5.thirsty
名词：
1.dancing
2.yesterday
3.NationalDay
4.paper
5.printing
6.bicycle
7.theGreatWall
8.mountain
9.ice-skating
10.gold
11.food
12.monster
13.cup
14.watermelon
15.knee
16.finger
17.matter
18.medicine
19.toothache
20.fever
副词：
1.soon
2.still
3.also
4.only
5.away。
