Scientists conclude that female cats tend to favor their right paws when _______ complex tasks.
| A．knocking about | B．bringing in | C．holding up | D．taking on |
A sudden blizzard occurred in Beijing last night，__________ great in-convenience in transport.
| A．caused | B．causing |
| C．affecting | D．brought |
-Have you found anything wrong with your computer?
-Yes, and I was about to give it up when an idea __________ to me that it may be struck by some kind of virus.
| A．occurred | B．happened |
| C．took place | D．turned |
-Did you hear that Tonna took social management as her major?
-Yes, but she shouldn't have, you see. This kind of subject __________ one's communication ability, and that's what she is most weak at.
| A．tests | B．examines |
| C．checks | D．takes |
-When on earth will the bus come? We have been waiting here for what seemed long ages.
-Look，__________.
| A．there comes the bus | B．there is the bus coming |
| C．there the bus comes | D．there is coming the bus |
It's high time we __________ effective __________ to improve your working conditions.
| A．take; means | B．made; measures |
| C．took; measures | D．do; actions |