Ⅰ.单项填空
1．(2015·四川诊断)My parents have always made it clear________we shouldn't judge a book by its cover.
A．that B．what C．whether D．when
答案 A [句意：我的父母总是明确表示我们不应该以貌取人。分析句子可知，该句中it为形式宾语，而真正的宾语为that引导的从句。注意此处that不能省略。故选A项。]
2．(2015·天津南开区一模)As a matter of fact，________family conflict happens at an early age will cast a certain shadow on infants.
A．wherever B．whatever
C．whichever D．whenever
答案 B [句意：事实上，早年不管什么样的家庭冲突都会给幼儿留下一定的阴影。空处引导主语从句，且从句中family conflict缺少定语，排除wherever和whenever，再分析句意可知应选whatever。]
3．(2015·苏州模拟)He kept yawning in class this morning. That is________he stayed up late doing his homework last night.
A．why B．how C．because D．whether
答案 C [句意：他今天早上上课时一直在打哈欠，那是因为他昨晚熬夜做作业的原因。That's because ...“那是因为……”；That's why ...“那是为什么……”。]
4．(2015·沈阳市模拟)Be sure to make the invitations sent to________has taken part in the competition.
A．who B．whom C．whoever D．whomever
