【单选题】One of the most common human fears is scarcity. Many people are afraid of not having enough of what they need or want, and so they are always【C1】______to get to a point【C2】______ they would finally ha...
【简答题】According to a recent survey, British agers are not in good health because they don’t have enough time for sleep. They don’t sleep well, either. They are often disturbed(打扰) by electronic gadgets(...