A：
B：
C：
D：
选出不同类的单词。
____ A. autumn B. summer C. cool
____ A. hear B. ship C. bicycle
____ A. cold B. coat C. warm
____ A. red B. green C. stop
____ A. wait B. skate C. student
____ A. is B. us C. are
一 What do you think of Sam?
— He is very . He doesn't like to meet and talk to people.
，当
时，
，则
