6.Feb. 14,2010, to most Chinese, is not just_______day devoted to people in love, but also day to express their care to their family and friends.
_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
Anyone ______ trying to take knives on board flights would be caught by the police.
While watching television, __________.
It’s reported that global warming is heating the planet twice as quickly as _____ feared.
The girl _______ in bed _______ to us that she had _______ the dictionary on the bookshelf.