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。
Where were you while we were looking for you?
While I was doing my homework, my brother was reading a comic book.
He learned a lot of things while he was in the country.
Although it was very late, she decided to go out.
Let's wait here until he comes back.
Though she was very tired, she practiced the piano.
As she was very tired, she decided not to go swimming.
Although the stone was very heavy, he tried to lift it.
You have to do your homework before you watch television.
I have to stay at home until my parents come back.
Does your brother always brush his teeth before he goes to bed?
They have to study hard until they pass the examination.