Please call my secretary to arrange a meeting this afternoon,or________it is convenient to you. (2011·江西,29)
Jane got up at 7, dressed and made herself up, and then herself in the mirror before going to work.
---Why was Mr. Li so happy this morning?---Because he was with an award for excellence in teaching.
--- Do you want another drink? ---______________.
No matter what substance it may be, it is ________ atom.
You should make good use of every _______minute to study