— Where’s Mike?— Oh, he _______ a model plane in his bedroom all the afternoon.
They have been doing morning exercises they up.
The tourists are all interested the Great Wall.
─You look so tired, Celia! ─Yes. I volleyball the whole afternoon.
—Paul invited us to take part in a party tomorrow evening.— ______ Is tomorrow his birthday?
—David,is that man your Chinese teacher?—It___________ be him.He’s having a meeting.