--When __________you __________to cough?--Two days ago.A. do; begin B. did ;began C. did ;begin
How much do you want for the book? Two dollars______ enough, I think.
_____ you practice, _____ you will be at your English speak.
My hair is too long. I am going to______.
_____ little children can only do______ little work.
— Did you see Mr Smith when you were in France? — No. When I _______ France, he _______ to China.