Every student, teacher and staff member to contribute.
A. ask
B. asks
C. have asked
D. is asked
查看答案
I would like to education for all my life.
A. attach myself to
B. adapt myself to
C. devote myself to
D. assure myself to
I hope my teacher will take my recent illness into when judging my examination.
A. accounted
B. to account
C. account
D. accounting
By the time you get to the office I all the documents for the meeting.
A. was preparing
B. prepared
C) had prepared
D. will have prepared
A bicycle ____________ him down when he was walking in the street.
A. knocked
B. crashed
C. cracked
D. burst
微信支付 
支付宝支付