— Have you known each other for long?
— Not very long, ____ we started to work in the company.
| A．after | B．before | C．when | D． since |
--- John failed his final exam.
-- I’m not surprised at the news at all. _______, he is never seen busy with his lessons.
| A．Above all | B．In all |
| C．First of all | D．After all |
Great changes ______ in my hometown in the last ten years.
| A．took place | B．have taken place |
| C．have been taken place | D．was taken place |
---I think Helen is at home.
---No, shebe at home, for she phoned me from the airport just five minutes ago.
| A．mustn't | B．needn't | C．can't | D．dared not |
The school was ______ in 1950 and has a history of nearly sixty years.
| A．set out | B．set up | C．set about | D．set off |
The family had lived ________ before, but the terrible traffic accident destroyed everything.
| A．in common | B．in danger |
| C．in place | D．in peace |