Jack comes from America， but he knows many （传统）folk stories about Chinese festivals．
The teacher usually （鼓励） his students to do their homework carefully．
The boy is strong enough to swim a the wide river．
What do you want to do after you g from high school？
The summer holiday is coming．Two h of the students will go to the beach．
按照括号内的要求写出下列单词的相应形式．
11．nine（序数词）
12．piano（复数）
13．long（名词）
14．little（最高级）
15．breath（动词）
16．balance（形容词）
17．they（反身代词）
18．through（同音词）
19．appear（ 反义词）
20．beat（过去分词） ．