找出下列每组单词中不同类的单词。
（1）A. young B. active C. principal
（2）A. food B. sweet C. fresh
（3）A. closet B. cloud C. curtain
（4）A. building B. grass C. flower
（5）A. near B. behind C. nice
读一读，找出不同类的词。
( ) （1）A. east B. west C. easy D. north
( ) （2）A. accountant B. artist C. engineer D. teach
( ) （3）A. morning B. week C. evening D. afternoon
( ) （4）A. plane B. subway C. train D. shop
( ) （5）A. books B. reads C. teaches D. watches
阅读下面的对话，选择五个句子，将对话补充完整。
A: ____（1）____
B: He's my father.
A: ____（2）____
B: He's a teacher.
A: Where does he work? Does he teach in our school?
B: ___ （3）_____ He teaches the class next to our classroom.
A: Does he teach you math?
B: ____（4）____ But he teaches my sister. She's in Class 1, Grade 4.
A: How does he go to school?
B: ____（5）____ My sister and I go to school by his car together.
A: That's great
( )She ________in a car factory.
A. workB. worksC. working
( )If you enjoy ________ people, you can work for the police.
A. helpB. helpingC. helps
( )If you want to buy a pet, you can go to the ________.
A. pet shopB. fruit shopC. shoe store