－ Can you help me clean the room?
－ OK, _______ I have to wash the clothes first.
| A．so | B．but | C．because | D．as |
. --- 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
Look! There are some __________ on the floor.
A. child B. waterC. boxes