--Why did the police ______________the crowd?
---Because the president’s car __________in the street.
| A．break down; broke down | B．break up; broke up |
| C．break down; broke up | D．break up; broke down |
. --- Do you regret not having gone abroad？
--- Why should I ? I _____ as much, but I’m glad to devote myself to our motherland.
A didn’t earnB don’t earnC hadn’t earned D haven’t earned
--- Why was Professor Zhang unhappy recently?
--- Because the theory he insisted on _____ wrong.
A provedB proving C being proved D was proved
______most of the guests____ to the 2009 Euro-Asia Economic Forum in Xi’an attended the forum punctually.
A invited B to invite C being invited D had been invited
– What made Lucy so happy?
---_______ a medal as her reward for her service.
A As she was givenB Having been given C Have been given D Given
I really appreciate for your introduction; actually we ____ each other before.
A have metB had met C met D meet