单项选择题
A. 他一直到高中毕业才认识到广泛阅读的重要性。 B. 他从高中毕业时就认识到广泛阅读的重要性。 C. 读高中时他没有认识到广泛阅读的重要性。 D. 他高中都没有毕业就意识到了广泛阅读的重要性。
A. The machine has not been put into use yet. B. With the machine, you could go to many countries in the world. C. The machine can store up to 240 words. D. With the machine, you will be able to talk with foreigners.
A. all the students who choose the courses B. students who live on campus C. students who have no time in taking regular classes D. students who live far away from school