The mine once had a rich _____of silver, but in petered out.(逐渐消失)
A. vent
B. veil
C. vain
D. vein
Don't touch the rosebusehes growing by the roadside because they have a lot of______.
A. thrills
B. thorns
C. throats
D. thrusts
Contray to early expectations his ratings_______, and he soon had an audience of a million.
A. raised
B. soared
C. strengthened
D. intensified
I beg that you will offer him my______apologies; I really feel sorry about what I have done.
A. splendid
B. solemn
C. severe
D. sincere