选出每组单词中不属于同一类别的词，将标号写在题前的括号内（共10分）
1、A、watch B、cold C、clean
2、A、older B、teacher C、taller
3、A、wall B、singer C、writer
4、A、yellow B、father C、brother
5、A、banana B、apple C、duck
I usually get up___ six ___the morning.
A. on; at B. at,on C. at,in
-What are you doing? I am ____an e-mail from Lucy.
A. read B reading C. reads
We should take good care _____young children.
A. of B.at C. off
I don't like the colour. Can you show me___ trousers?
A. those B. them C. this
There are many____in our school.
A. tree B. trees C. a tree