请找出每个小题中不属于同一类的选项，并将字母标号填写在题前括号内。
( ) 1. A. Social Studies B. homework C. Moral Education D. P. E.
( ) 2. A. young B. short C. quiet D. thin
( ) 3. A. fruit B. grape C. apple D. orange
( ) 4. A. mountain B. sky C. air D. healthy
( ) 5. A. closet B. path C. mirror D. end table
How many _______ can you see? I can see one.
A. rulers B. ruler
It’s 8 a.m. It’s time for _______.
A. TVB. class
Read and complete. 
（1）A: ______ is Wang Hu?
B: He’s in the _______.
（2）Don’t ______ too ________ TV. Tom.
（3）A: What’s this, _______?
B: It’s a book.
（4）How do you come to school ________ day?
（5）What’s your _________ number?
We go ______ a picnic in May.
A. to B. on C. for
My sister _____ to school in the morning.
A. is walking B. walk C. walks