しっかり予習していかないと授業についていけないの英語

to become unable to keep up with the classwork

You should've prepared for the lesson.

a condition of not being able to keep up with class work at school

Have you anything to go suggest to me about teaching?

You shouldn't sleep in class.

Don't cut your classes so often.

They have no heart for their work.

You'll have to study some to catch up with the others.

I can not get the run of class-work.

Why don't you participate in class?

a dull class

I would rather not skip class.

I cannot continue giving lessons.

Do you have any comment or request about the class?

Doesn't teaching tire you!―take it out of you?

Why don't you come to class?

It is really too bad for me that I could not go to class.

good classroom teaching is seldom rewarded

Please place all articles not related to the lesson inside your bag.

Do you have any questions regarding today's lesson?

If you work hard at other times, you will not have to get flurried before the examinations.

Work hard, or you will fail―get plucked.

If you worked harder at other times, you would not have to get flurried before the examination.

You never have class or what?!

If you keep cutting classes, your grades will suffer.

If you worked harder at other times, you would not have to sit up all night before the examination.

I don't have classes this semester.

Do not eat in class.

I cannot understand classes.

You must not talk to each other in class.