--- Is your father a teacher of English in No. l Middle School? --- No. But he ______ English there for ten years.
31.—Will you go fishing with me? —___________.
30.The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries
29.-----I _____to go for a walk. -----But I_____ going shopping.
28.—Thank you very much. —Not at all , I was____________ glad to help.
27.I would have come to see you earlier, but I __________ too busy.