It’s time for test. Be quiet, please. I’m going to _____ your test papers.

While the computer becomes more and morepowerful, I don’t think it will completely ___________ teachers in class.

eople are aware that, ____ , the relationship between Hong Kong and the Republic of the Philippines will become poorer.

“__________” “He is smart and helpful.”

The air pollution of the city ____ by 20 percent thanks to the strict measures taken by the government.