The old man sat in front of the television every evening, happy _______anything that happened to be on.
| A．to watch | B．watching | C．watched | D．to have watched |
---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 |