He s _____ some E-mails to his friends yesterday.
March is thet_____ nonth of a year.
The Greens m______ to China ,beacuse Mr.Green found a job in China.
March 8th is W_______________ Day.
The q_______ is too hard for us to answer.
Beijing is the c_____ of our great coutry.
I have no time now.I am very b________.