单项选择题
The police believe the motive for the murder was money（）
A．reason B．choice C．idea D．decision
单项选择题 Jane said that she couldn’t tolerate the long hours.（）
单项选择题 The study also notes a steady decline in the number of college students taking science courses.（）
单项选择题 Marsha confessed that she knew nothing of computer.（）
