—Where have you been?—I was stuck in the heavy traffic. Otherwise I ____here earlier.

How I wish I ____ the mistake! Everybody present was angry with me.   

Listen! Some person      calling for you at the gate.

—How was the professor's lecture?—Impressive. Thank you so much for giving me a lift during the rush hours. If not, I ________ the lecture today.

——What sort of house do you want to have?  Something big?——Well, it          be big--that’s not important.