题目

阅读下面短文，理解其大意，然后从各题所给的四个选项中选出最佳选项。 One day a professor entered the classroom and told the students about a surprise test. Now the professor gave the test papers to all students with text facing down at the desk. After he 1 the test to all students, he asked —them to turn the test pages and begin.Students were 2 to see that there was not a question but just a black dot(小圆点）in the center of the page. The professor 3 the students' face expressions and told them, I want you to write about what you see there.The students we8.It's the most interesting book       I've read.