The last BeiDou navigation satellite （北斗卫星导航） successfully last month．（ ）
A．was sent upB．sent up
C．has sent up
China's high﹣speed railways _____ from 9，000 to 29，000 kilometres in the past few years．（ ）
A．are growingB．were growing
C．will growD．have grown
___________ can you write in English？
About forty words per minute．（ ）
A．How farB．How oftenC．How fastD．How long
It's important for us ___________ good manners．（ ）
A．havingB．haveC．to haveD．had
Which do you like __________ ，juice or cola？（ ）
A．wellB．betterC．bestD．the best
I'll be at home __________ Sunday morning． You can phone me then．（ ）
A．onB．inC．atD．to