-----What about having a rest?
----- __________________
| A．Good idea | B．Help yourself | C．Go ahead | D．Me, too. |
People are encouraged to speak openly，but careless words are ________to hurt others’ feelings.
| A．possible | B．probable | C．likely | D．sure |
Our bodies are strengthened by taking exercise. ________，our minds are developed by learning.
| A．Probably | B．Likely | C．Similarly | D．Generally |
Smoking is one of the ________causes of cancer，killing millions of people each year.
| A．major | B．similar | C．commercial | D．chemical |
In a sports team each player has a clear role，and there are few occasions ________members are confused or uncertain about their roles.
| A．whose | B．that | C．when | D．which |
—I’m green at everything.
—Don’t worry. ________you get older，you will get more experience.
| A．As | B．Till | C．Unless | D．Since |