Do you mind if I open the window? I feel a bit cold.
| A．Of course not. | B．I'd rather you didn' t. |
| C．Go ahead. | D．Why not? |
13．A new simplified desktop computer has been developed for people aged over 60 to make them _________with PC and the Internet.
| A．familiar | B．aware | C．popular | D．Conscious |
12．We have to study for a bright future, so we have to lose some sleep_________we're worn out.
| A．in case | B．as though | C．as long as | D．even though |
11．Nowadays electrical energy_________from the sun has become the most widely used energy.
| A．comes | B．coming | C．to come | D．Came |
10．The country has changed so greatly over the past three decades that it has grown_________my wildest imagination.
| A．in | B．of | C．without | D．Beyond |
9．Creative people are in a better position to succeed in both university and society than_________who may just be good test-takers.
| A．that | B．those | C．one | D．They |