-Do you know that Armstrong got his flying license in his_______, even before he could drive a car! -That's amazing. He is a_______ pilot.
--Merry Christmas! --______.
Now the transportation is convenient.It’s only____ ride from here to Beijing.
He hardly gave his parents any problems,_____?
Her son _____ coke,but now he ____milk.
I don’t know if my father ______back , but I’ll tell you if he ______back.