根据提示完成句子。
1. There are ________________ (20把椅子) in the classroom. 
2. The pencil box is ________ the desk. (在···上)
3. Steven is drawing on the ________.
4. ________ name is Li Ming. ________ is a boy.
5. —How many ________ are there? (55支铅笔)
—There are ________.

Sheep的复数形式是？( )

A．Sheep

B．Sheeps

Complete the sentences with the given words in their proper forms (用括号中多给单词的适当形式完成下列句子。每空格限填一词)
1. From the _____ floor of the hotel you can have a good view of the town. (nine)   
2.The Qingming Festival has already become a _____ holiday in China. (nation)   
3. Nowadays more and more people like wearing _____. (scarf)   
4. My younger sister looked ______ because she lost her favourite toy. (happy)   
5. As a student, we should know the ______ of learning English. (important)   
6. It's the _____ time that Mary has been late for the school this week. (two)

选出句中的一个错误选项并改正。
【小题1】Do you likepear? （_____）_______
A B  C
【小题2】I don'tlikethey.   （_____）_______
A   B   C
【小题3】Lethavean orange. （_____）_______
A   B  C
【小题4】Ihave some orange and pear. （_____）_______
A  B C
【小题5】My fatherlikeapples. （_____）_______
A  B   C

There are some ______ on the table.  ( )

A．Knife

B．knifes

C．knives