选出不同类的单词。
（1）A.this B.that C.thank D.it
（2）A.one B.eleven C.nine D.number
（3）A.cake B.pencil C.book D.desk
（4）A.teacher B.pupil C.panda D.boy
（5）A.school B.classroom C.schoolbag D.again
当你听到“Touch your ear.”时，你应该：
A. 摸耳朵B. 摸鼻子C. 摸嘴
当你把Tom介绍给朋友时，你应该说：
A. I’m Tom!
B. This is Tom.
C. He is Tom.
当你的同学对你说Let's paint！你应回答：
A. Great !
B. Thank you.
C. Bye!
老师向你问:"How are you?"时，你应回答：
A. How are you?
B. Fine. Thank you.
C. How do you do?
认识新朋友时,你感到特别高兴,你会对他说：
A. Hello!
B. OK !
C. Nice to meet you！