__________ the Internet is bridging the distance between people, it may also be breaking some homes or will cause other family problems.
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 harmonious society is very important, so all the laws must be strictly______.
It is so noisy in the restaurant and hard for us to ________ a conversation.
Studies show that people are more_____ to suffer from back problems if they always sit before computer screens for long hours.
A survey of health researchers ______ that four hours of exercise every week ____ good for our health.