先生が何でも知ってるんじゃなくて教科書に解答が書いてあるんだの英語

I could not understand him.

I didn't know which teacher to ask that about.

When he can not answer a question, he will give a random answer.

I don't understand what the teacher said.

Ummm. I have no idea how to answer the teacher's question.

I'll ask the teacher about it after class.

He speaks too fast for me to follow him.

Even the teacher could not solve the problem.

The teacher wrote crosses on the incorrect answers.

I can make nothing of his lectures.

Mind what your teachers say at school.

They obey him, for they believe in him.

Not even the teacher talked about that topic.

Let's ask the teacher.

Have you asked your teacher?

The teacher answers every question we ask.

You must pay attention to the teacher.

Your lecture is too deep for us

It is not necessarily true that what the teacher says is always correct.

He was disconcerted by a hard question.

You should talk to the teacher yourself.

Attend to what your teacher says.

I missed what you said.

My teacher put a question to me.

I have just talked to my teacher.

He has brought the truth home to my mind.

He has the text-books at his fingers' ends.

Ask the teacher when you have a question.

Everyone listened to the teacher carefully.

You should talk to the teacher yourself.