如果生活在受污染的环境中,人们很容易生病。(fall)Living in a polluted environment, people may ___ ___ easily.
He insisted that hesuffer from heart trouble, but I didn’t think so.
--- Shall I open the window to let some fresh air in? --- No, .
One day I _____ a newspaper article about the retirement of an English professor at a nearby state college.
E-shopping, when properly _____ ,can save us a lot of time and energy.
---_____ should we look down upon the poor. ---I’m with you on that.