It sounds like something is wrong with the car's engine.________，we'd better take it to the garage immediately.(2011·江苏)
| A．Otherwise | B．If not |
| C．But for that | D．If so |
Totally ________, both of the world famous writers were born and died on the same day and of the same disease.
| A．by coincidence | B．by incident | C．by accident | D．by luck |
Day after day, they dragged their feet on and arrived at their destination ________.
| A．eventually | B．actually | C．accidentally | D．incidentally |
My younger sister enjoys listening to music very much, with pop music _______.
| A．in detail | B．in brief | C．in particular | D．in advance |
Please tell me how the accident_____. I am still in the dark.
| A．came by | B．came out | C．came to | D．came about |
American Indians ________ about five percent of the U.S. population .
| A．fill up | B．bring up | C．make up | D．set up |