21．________honest girl! She is________ best student in our class．
A．How；a B．How an；a C．What a；me D．what an；the
22. —_______? —He’s a tall ma n with short hair.
A. How is he B. What does he like C. What is he D. What does he look like
23．In the end he entered his ideal school_________ his hard work．
A．because B．so C．because of D．as
