Kate paid him in advance, which ______ was a mistake.
| A.no more | B.no doubt | C.no wonder | D.no luck | 
Most Americans would prefer to keep their problems ________ themselves, and solve their problems ________ themselves.
| A.to; by | B.by; to | 
| C.for; to | D.in; on | 
—As a weightlifting athlete, Thomas is indeed too large, I think.
 —But ________ that, he is still one of the best athletes at present.
| A.in case of | B.in spite of | 
| C.thanks to | D.in response to | 
I'm working this evening because I am ________ schedule with my work.
| A.behind | B.beyond | 
| C.over | D.on | 
Highspeed trains which travel through my hometown ________ up to 250 km per hour make it a small world.
| A.with | B.against | 
| C.at | D.over | 
The habit is something that someone does repeatedly and often does not ________ because they have done it so many times before.
| A.know | B.understand | 
| C.experience | D.realize |