Tom ______the USA. He ________back in two months. A. has gone to; comes B. has gone to; will be C. has been to; comes D. has been to; will be
---- Will you answer the telephone? It ________ be your mother. ---- Sorry, I _______. I’m very busy.
We can’t buy anything because______ of the shops are open at this time.
Simon improved his way of study.______ , he has made great progress.
—Is this your ID card? —Yes, it is. ______
—______ does she like? —She ______ oranges.