Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.(2011·江西)

$100 will allow a woman ________ is a trained tailor to make some income, ________ her and her family a better future.

All the bees　　had been at nearby feeding place were doing the circling dance.

Many factors influence a student in his/her study, ____ I think are out of a teacher’s control.  

Word has come ____ some excellent students will go on a study trip to Chicago next month.