_______ time, he’ll make a first-class tennis player.
| A．Having given | B．To give |
| C．Giving | D．Given |
Every hour and every minute ______precious to us because only six months are left for us to prepare for the college entrance examinations.
| A．will be | B．are | C．is | D．were |
Chen Yang has brains．In fact，I doubt 
whether anyone in the class has IQ.
A．a high |
B．a higher | C．the higher | D．the highest |
It’s the same in China --- many people, ________ some are not overweight at all, are always going on diets or taking weight-loss pills, ________ are often dangerous.
| A．whose; which | B．of which; who | C．of whom; which | D．who; that |
Television has many advantages．It keeps us ____ of the latest news and also provides entertainment in the house．_______ it’s so popular worldwide.
| A．informed, No wonder | B．to know, No doubt |
| C．learning, No chance | D．to think, No problem |
It was not until the subprime loan crisis（次贷危机） ____ great damage to the American financial system that Americans ____ the severity of the situation．
| A．caused, realized | B．had caused, realized |
| C．caused, had realized | D．was causing, had realized |