How long do you think ______ the computer company brings out a new product?
| A．it will be before | B．will it be until | C．will it be when | D．it will be that |
Having been attacked by terrorists，________．
| A．doctors came to their rescue | B．the tall building collapsed |
| C．an emergency measure was taken | D．warnings were given to tourists |
We must know what we should do and what we should avoid ______a good impression on others in public place.
| A．to leave | B．leaving | C．to have left | D．leave |
—Well, Kate, I’m sorry, but I have to leave.
---_____. I hope to hear from you soon.
| A．Keep in touch | B．Have s good time |
| C．Walk slowly | D．So am I. |
．As you the town, the first building you see is the church.
| A．cross | B．pass | C．draw | D．approach |
—How did you find the talk this morning?
—______.
| A．By asking my students | B．It was easy to find |
| C．Very disappointing | D．Just in time for it |