第5题: [单项选择]You (will) almost always (find) Caroline (playing) a video game because she enjoys (to be challenged). A. will B. find C. playing D. to be challenged 参考答案:D 答案解析:改为being challenged。enjoy后接名词或动名词,根据该句句意enjoy后又应该是被动语态(喜欢被挑战),动名词的被动式就是being+过去分词。
第25题: [单项选择]The rigor of the winter in Russia was often described by Mogol. A. harshness B. perturbation C. dismay D. pessimism 参考答案:A 答案解析:rigor严格,严厉,苛刻。四个选项:harshness粗糙的事物,严肃,刺耳;perturbation动摇,混乱;dismay沮丧,惊慌;pessimism悲观。