They are __ the old houses in order to set up a new teaching building.
| A．tearing down | B．tearing up | C．putting up | D．putting down |
_______ in 1724, this business company is the oldest in my hometown.
| A．Founded | B．Being founded | C．To found | D．Founding |
This new type ______ camera is ______ high quality and is not expensive.
| A．of; on | B．on; of | C．of; of | D．on; on |
---I’m going to Vietnam?
---How long ___ you___ in Vietnam?
| A．are; stayed | B．are; staying |
| C．have; stayed | D．did; stay |
I tried to persuade him not to keep in touch with her, but what I said was always ______.
| A．accepted | B．received |
| C．ignored | D．Noticed |
The Great Wall is ______ tourist attraction that millions of people pour in every year.
| A．so a well-known | B．a so well-known |
| C．such well-known a | D．such a well-known |