When you stand on the top of the mountain and overlook the surrounding scenery, you will find it is ______ to climb it up with effort.
A. worth B. worthy
C. possible D. worthwhile
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
