---I hear Sam has gone to Qingdao for a holiday.---Oh, how nice! Do you know when he________?
——Is he heavy? ——No, he is a little bit ________.
Cindy often gets to school __________.
——Do you want to have _______ apple? ——Yes.please.
——What does your friend look like? ——_______________.
——Were you at home yesterday? ——Yes,I ________.