______to use in April,2005,the road has solved the long-standing problem of traffic jams of this area．
| A．Put | B．Putting | C．Having put | D．Being put |
— Do you know how Chinese acupuncture reduces pain?
— Well, well, _______. I’ve never read about that.
| A．I can’t tell you | B．you really have me there |
| C．there is some doubt | D．what a shame |
In many cities of China, if an ambulance is_______ in a traffic jam, police will respond to the emergency.
| A．held up | B．held back |
| C．held down | D．held out |
— I don’t remember having ever seen John since last week. Has he gone somewhere?
— Not really. He_______ his newly-bought apartment.
| A．has decorated | B．was decorating |
| C．decorated | D．has been decorating |
— Have you ever been to the Summer Palace?
— I can’t quite remember. _______, it might have been during my childhood.
| A．If any | B．If ever |
| C．If possible | D．If so |
— Your windows are still open? It’s so cold!
— Oh, sorry. They_______ .
| A．aren’t closing | B．won’t close |
| C．won’t be closed | D．aren’t closed |