It Susan’s pen. Your pen is in your bag.
—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.
My school life ___________in the past few years.
— Is it helpful to study with a group?— Yes, I think so. ____________, I’ve learnt a lot.
—Can you tell me what to wear at the party?—If I you, I the blue jeans.
I think ________ vocabulary lists ________ us a lot.