My friend showed me round the town, was very kind of him.
| A．which | B．that | C．where | D．it |
A harmonious society is very important, so all the laws must be strictly______.
| A．watched | B．observed |
| C．carried | D．handled |
It is so noisy in the restaurant and hard for us to ________ a conversation.
| A．go on | B．keep on | C．carry on | D．take on |
Studies show that people are more_____ to suffer from back problems if they always sit before computer screens for long hours.
| A．likely | B．possible |
| C．probable | D．sure |
A survey of health researchers ______ that four hours of exercise every week ____ good for our health.
| A．show; are | B．shows; is |
| C．show; is | D．shows; are |
----- I think Jason is wise to accept the job offer in Paris.
------__________. His career will soon get off to a good start.
| A．That’s not the case | B．Not really |
| C．Absolutely | D．It depends |