The choice is important． You should think about it carefully before you make the final d ．
Most of us can't a to buy the car， for it costs a lot of money．
My mother walked into the bedroom q while my sister was sleeping because she was afraid to wake her up．
Qian Xuesen， the father of China's space program， is generally considered as the greatest s in China．
Judy was late for class and e the reason to the teacher．