从下面每小题的A、B、C三个选项中选出可以替换划线部分的最佳选项。
（共8小题，每小题1分）
The king doubted that the crown was a real golden crown.
A. thought
B. didn’t feel sure
C. believed
There is less water in this bottle than in that bottle.
A. fewer
B. a little
C. a smaller amount of
Helen finished the work without difficulty.
A. with no trouble at all
B. hadn’t difficulty
C. Quickly
Would you like to visit my personal house?
A. have                 B. own              C. poor
He suggested going for a picnic.
A. avoided               B. looked forward to      C. advised
I only regret that I have only one life to lose for my country.
A. feel happy            B. hope                C. feel sorry
I never expect that I will be very rich in the future.
A. think                 B. except               C. Express
You should keep still when you take a picture.
A. not move              B. keep close              C. Smile