Mr. Black is rich, __________ he is not happy.
A. and B. or C. but
. --- I’ve got the final Harry Potter book.
--- You will love it . I __________ it twice already .
A. am reading B. have read C . was reading
September 10th is __________ Day.
A. Teacher B. Teachers' C. Teacher’s
__________ bad news ! Ten people died in the car accident .
A. What B. What a C. How
We are sure that our football players will do __________ best.
A. their B. theyC. them