—Excuse me. Is the library open all day? — . Only from 9 a.m to 4 p.m.
---- Who taught _______ Chinese? ---- Nobody. She learned all by ________.
Though Brian is younger than Danny, he works ____than Danny.
---When shall we go to the museum, this afternoon or tomorrow morning? --- ___ is OK. I’m free these days.
I’m going to start a club to help students ___ are not interested in school work.
Mum asked me to remember ______ her up at 6:00 am.