2.工厂每天早晨八点钟开门。

将下列句子译成合乎正确语法的英文，原文意义必须忠实保持，不可更动。句式和单字次序则不必拘于汉文原句，主要须使英文合乎语法规则，流畅自然。(数字可用阿拉伯字码写出，不必翻译)

1.你班上有多少学生？

8. Comrade Li couldn't come yesterday because he had to prepare his lessons.

7.His father is a worker, and his mother (is) a teacher.

6.He was writing a letter when I went to see him.

5.He joined the Communist Youth League last year.

4.Lesson 5 is more difficult than Lesson 3.

3.How many months are there in a year?

2.What are you doing now?