The great changes _______ have taken place _______ carrying out the economic reform in our country.
| A．may not; unless | B．could not; without |
| C．never; but for | D．would; besides |
When doing my homework,________.
| A．I heard the doorbell ring | B．the doorbell rang |
| C．my mother came in | D．my mother was cooking |
We have been looking at houses, but haven’t found _____ we like yet.
| A．ones | B．one | C．them | D．it |
Please remember to _____ a stamp _____ your envelope before you post it to your friend.
| A．attach; to | B．fasten; to |
| C．tie; to | D．stick; by |
When I was younger, I’d often go for _____ drive with some friends, purely for _____ enjoyment of it.
| A．a; an | B．a; the | C．the; / | D．/; the |
---What do you think of the movie?
----,____, the movie isn’t interesting enough, though lots of money has been spent on it.
| A．To be honest | B．That’s to say |
| C．Generally speaking | D．I’m not sure |