Two men are walking in the park. One is Mr. Brown , a worker, the other is Mr. Black. Mr. Brown is going to a chair. It is beside the road. Mr. Black is after him. Mr. Brown finds Mr. Black. Now Mr. Black begins to walk faster(更快). Because he wants to get to the chair before Mr. Black. Now Mr. Black begins to walk faster because he also wants to get to the chair first. Then they both run .Mr. Black runs faster than (比) Mr. Brown. So he gets to the chair first and sits down on it. Mr. Brown runs after Mr. Black. When he gets to the chair. He sees Mr. Black sitting on it. He is sorry to show a notice(通知)with the words "Wet Paint(油漆未干)"to Mr. Black . Now Mr. Black knows why Mr. Brown is going to the chair.

(  )41. Where are Mr. Brown and Mr. Black?

A. In the garden     B. On the chair    C. In the park    D. Beside the road

(  )42. What are they doing? They are________

A. talking  B. walking to the chair   C. holding a notice D. sitting on a chair

(  )43._________is after_________ at first

A. Mr. Black , Mr. Brown   B. The worker, Mr. Brown

C. Mr. Brown , Mr. Black    D. Mr. Brown ,The worker

(  )44. ___get to chair first.

A. The worker   B. Mr. Brown   C. Mr. Black   D.A strange(陌生人)

(  )45．Mr. Brown goes to the chair because__________.

A. he wants to sit there          B. it is his chair        

C. he wants to talk to Mr. Black on the chair 

D. he wants to tell people "Wet Paint"