By and by, _____ go out to contact other people in person, more and more people tend to socialize with others via electronic devices.

We do have trained people, but the problem is how to organize them, and ____their enthusiasm.

If we keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.

It’s said that the power plant is now___ large as what it was.

(2013·潍坊市高三二模)Robert has rich work experience, so it will ________ for his lack of academic knowledge.