Ⅱ单项选择（每题1分，共15分）
（ ）21.Lucy often has breakfast at home.
A. a B. / C. the
（ ）22. 19. -- does Wang Han do? --He is a host. He works in Hunan TV Station.
A. What B. Where C. Which
（ ）23. Mount Heng is a place of interest with different kinds of __ .
A. tree B. plants C. animal
