一、选择填空(共35小题；每小题1分。满分35分)
A) 单项填空 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
（ ）1.What_________ honest boy! And he is_______ best student of all．
A．a；a B．an；the C．a；the D．the；the
（ ）2.I don't think he tried his best to learn English,_______?
A.did he B.do I C.didn't he D.don't I
