一、单项选择题：(20%)
1. Hello! My name is Daming _____ I am Chinese.
A. and B. but C. with D. so
2. Tom is _____English boy and Daming is _____ Chinese boy.
A. a; an B. an; a C. a; a D. an; an
3. Betty _____ her father, mother are in China.
A. with B. and C. but D. under
