Visitors from the mainland used to     in Honghong for a flight toTaiwan.

Excuse me, I want to borrow a book that gives a detailed______ of Alice Munro, who won this year’s Nobel Prize in Literature.

Bears_____ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.

Don’t leave the window open—it’s ________ thieves to enter.

 Smiling doesn't ________ mean you're happy.Sometimes, it just means that you're strong enough to face problems.