The suffix -ible is like the suffix -able. They both mean "capable of doing."
Example:
Convertible means being able or capable of converting.
A complex character has multiple or conflicting motivations. (I think I'm not so sure)
Answer:
1. He doesn't visit me
2.they are winning the match
3.I am busy watching TV Afzal said to me
4. he will come home.
5." why didn't you run fast ?" asked Sara
6. does he commit a mistake everyday?
The correct answer is in this case Several
Several is indefinite because it doesn't point to a precise expedition to the polar regions.