Many foreign leaders arrived _____Beijing_____ Nov. 6th 2014 to attend the APEC. A. at; on B. at; ‘in C. in; on
The water is not ______. Add some more sugar, please.
The MP3 is used for _______ music.
–Where is my pen? --Oh, sorry, I have taken yours ____mistake.
They have a _____ daughter and the girl is very good at her school work. They all take pride ______ her.
No matter ______, please keep quiet in the library.