高中英语动词的辨析单选题

The Oscar Award is ______ all outstanding actors and actresses all ______.

A．what; dream to win

B．something; look forward to win

C．what; dream of winning

D．something; look forward to winning it

______ at the door before you enter my room, please.

A．Knock

B．Knocking

C．Knocked

D．To knock