日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
When the teacher is in the classroom, the students are very quiet.
What was your brother doing when you came back home from school?
I was doing my homework when my mother came into(entered) the room.
Does he always use this desk when he studies?
They were not listening to the teacher then.
Were you studying English?
When did you do your homework?
There aren't any girls in this school.
She will be(become) a good teacher.
How many students are there in this class?
The examination will not(won’t) be so difficult(hard).
I will help you with your homework.