—Excuse me, could you tell me ________ a book about music? —Sure. They are on the second floor.A. where can I buy B. where I can buy C. when I can buy D when I can buy
They wonder _________ they will have such a good chance again or not.
-I can’t decide _________ -Maybe you can ask your parents for help.
I was afraid ________ English in class, because I was afraid _______ being laughed at.
His father warns him_________ that in the future.
__________ honest man he is!