________________
Come on! Just give it a try．（ ）
| A． |
I'm afraid I can't ride the bike． |
| B． |
I'm sorry for breaking the window． |
| C． |
I'm glad to win first place． |
| D． |
I'm sure it's bad for your eyes．. |
Sweet wormwood （青蒿）is a common plant in China．Tu Youyou is the woman______used the plant's special power to save millions of lives．（ ）
A．whichB．whoC．whoseD．/
These people dress themselves in bloody shark suits．They tell people______shark fins in order to protect sharks．（ ）
A．eatB．to eatC．not eatD．not to eat
_____do you have dinner with your family at restaurants？
Hardly ever．（ ）
A．How oftenB．How longC．How manyD．How much
"I want to go to Mars （火星），because it's a place that no one______to before，"said Carson．（ ）
A．has goneB．has beenC．wasD．went
Mr． Wang is very friendly to us． He is of all the persons I know．（ ）
A．patientB．less patient
C．more patientD．the most patient