Excuse me, will the plane for Beijing __________within an hour?—I’m not sure. You can go to the Information Desk for help.

I am trying my best to learn English, but it doesn’t work well! —Don’t worry! Regard it _____ a big challenge! [ ]

As more and more restaurants join “clear your plate” campaign, people are encouraged _______ food any more.

Shirley won the first prize in the English speech contest. —Woo! ________ she has made since the beginning of this term!

Great changes _________ in Tongren in the past five years.