He’s quiet as a mouse in class.

的候他总是悄的。

I have to go now because I must be punctual for class.

我现在不得不走了, 因为我得准去。

He often reviews today's lessons for tomorrow.

他常为明天而复习今天的功。

I'm constantly having to mug up things ahead of teaching them.

我经常不得不在前攻读要讲的东西。

The teacher took attendance at the beginning of every class.

每次一老师都要点名。

The late boy made a beeline for his classroom.

迟的男孩抄捷径跑去。

The children were taught individually, not in a group.

孩子们被个别教授，而不是一起。

I will inquire when to begin our lessons.

我要去问一下我们什么候开始。

Tom did play hookey, and he had a very good time.

汤姆真的去，而且痛痛快快地玩了一场。

I made the zip gun in class out of a toy airplane launcher.

我在用玩具飞机发射器改制成了这把枪。

I was late for a class.

我迟了。

He fell asleep during the lesson.

他在睡着了。

Topsy had an uncommon verbal memory, and committed with a fluency that greatly encouraged her instructress.

托普西对文字的记忆力非常强，对答如流，使她的教师感十分鼓舞。

The bell sounded for the beginning of the lesson, and, right on cue, the teacher walked in.

铃响了，就在这候老师走了进来。

It's time for class.

间了。