Jack usually goes fishing ________ Sunday morning.A. at B.on C. for
--Cina, what’s your _______of being a famous singer?--- To practice over and over again.
Jack is shy. I wonder if he ___ to give a speech in front of the whole class.
____ beautiful these postcards are! Where did you get them?
He managed to become a great inventor ___ he left school at 16.
Do you doubt ____ Bill would like to help you translate this novel into English?