从下列各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。
( ) 1. This is man I told you. He lives unhappy life.
A . the ; an B. a ; a C. the ; a D. a ; the
( )2. Yao Ming is my favorite star. Do you like _________?
A. she B. her C. he D. him
( )3. It’s said that more than 100 _________ will attend this meeting in Shanghai.
A. man teachers B. woman teachers C. men teachers D. womans teachers
( )4. - Excuse me, can I sit here?
- Of course you ________.
A. may B. should C. can D. must
