Could you tell me____ so well?
Without the teacher's help, it was impossible for me to get the prize.( )
A.how did you do itB.when you did it
C.why did you do itD.how you did it
-- Must I write down all the new words now? No, you_______
—Peter doesn’t mind lending you his camera. —He _______. I’ve already borrowed one.
—May I borrow your English book? —No , you _______.
---Will you please stay here for the party? ---Sorry, I _____. I have to go to visit my grandfather in hospital.
The notebook ___________ be John's .There is his name on it.