---It is a long time ______ I saw you last．
---Yes．And it will be a long time ______ we see each other again．
A. when; before B. after; when C. since; before D. since; until
I can’t say which type of tea tastes better. It’s just a(n) ______ of personal preference.
A. affair B. matter C. variety D. problem
Liu Fang is a company CEO now, but she ____ as a teacher in a middle school for three years.
A. worked B. has worked C. works D. had worked
— How was your holiday?
— It couldn’t have been _____. I just stayed in the hotel because it was raining most of the time.
A. boring B. more boring C. most boring D. less boring
The factory produces half a million pairs of shoes every year,80%________ are sold abroad.
A. of them B. which of C. of which D. of that
Don’t be angry with us. We _____ with you together, but we were busy with our final reports when you called in.
A. would eat out B. could have eaten out C. should eat out D. must have eaten out
