He needs to work ________ hour ________ night.

(2013·青岛二模)John ________ yet, or he would have telephoned me.

Why didn’t you tell me the news of the meeting? — I knew nothing about it, or I _______ you.

My brother plays ______ basketball well but he doesn’t play _______ piano well.

We are invited to a party _________in our club nextFriday.