What did the teacher say just now?—Sorry. I didn’t catch it. I about something else.

Ｉdidn’t go to bed _______ I finish my homework.

Look! The boy is sitting _____ a tree. [ ]

Though he didn’t ________an important position, he got along very well with almost everybody and was trusted by most of his leaders.

I remember you came to see me ____ a cold Tuesday evening. [ ]