_____ to give up smoking, he threw away his _____ cigarettes.
| A.Determined; remained | B.Determined; remaining | 
| C.Determining; remained | D.Determining; remaining | 
The passenger was tired and walked more slowly but he got home.
| A.after all | B.at all | 
| C.above all | D.in all | 
It is rather that we still do not know how many species there are in the world today.
| A.misleading | B.embarrassing | 
| C.boring | D.demanding | 
The girl hasgreat talent for writing. Up to now, she has written six books, including book about the robot.
| A.a; a | B.the; the | 
| C.不填; 不填 | D.不填; the | 
—Nancy, are you sure you can do it by yourself? —.I did it before.
| A.Take care | B.Don’t worry | 
| C.I’m not sure | D.Not exactly | 
I used to have a to that vase,but I broke it.
| A.company | B.accompany | 
| C.companion | D.community |