A survey of the opinions of experts___that three hours of outdoor exercise a week___good for one’s health.
| A．show;are | B．shows;is |
| C．show;is | D．shows;are |
Some of this heat near the earth’s surface _________ make electricity.
| A．is used for | B．is used to | C．gets used to | D．used to |
The cunning fox tricked the little rabbit _________ picking up the carrots in the field and then caught it.
| A．on | B．into | C．along | D．to |
You must keep ____ in mind _____ your are a student in this school and should obey the school rules.
| A．it ; that | B．everything ; which | C．such ; as | D．something; because |
A cook will be immediately fired if he is found _____ in the kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |
The traveler couldn’t make himself _____ in his poor English.
| A．understand | B．understanding | C．to understand | D．understood |