-- 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 |