-- I hope you don't mind my opening the window.
-- ______ It's much too hot in here.
A. Certainly B. Of course not
C. All right D. Never mind
Bob promises to join in the football match ______ he has to help his parents on the farm.
A. if B. as C. unless D. when
-- Did you find the small village yesterday?
-- Yes, without any difficulty, for it has ______ changed over years.
A. hardly B. greatly C. clearly D. nearly
-- What time do you expect me back, Mum?
-- Say, ______half an hour.
A. at B. before C. in D. for
It's nice of you to ______ so much time showing me around your school.
A. take B. spend C. cost D. have
-- I need something for cutting the paper.
-- Oh, you want a knife? OK, I'll get ______ for you.
A. it B. that C. this D. one