By the time you have completed the essential training, you _____ exposed to virtually every new feature of the course．
| A．are | B．will have been | C．have been | D．will be |
The engineers are so busy that they have no time for outdoor sports activities, ________ they have the interest.
| A．wherever | B．whenever | C．even if | D．as if |
These countries ________ too many wars since ancient time.
| A．went through | B．have gone by | C．went by | D．have gone through |
——How about ____New Year party yesterday evening?
—— I think it was _________ success.
| A．a; a | B．the; a | C．a; / | D．the;/ |
——Let’s go and have a good drink tonight.
——__________. Have you got the first prize in the competition?
| A．What for? | B．Thanks a lot. | C．Yes. I’d like to | D．Why not? |
Usually an adult man can grow about 1.7 meters tall, _____ a few may grow as short as 1.3 meters.
| A．while | B．or | C．for | D．so |