I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.(2012·新课标全国)
| A．couldn't | B．mustn't | C．shouldn't | D．needn't |
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 |
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 |
Nowadays electrical energy from the sun has become the most widely used energy.
| A．comes | B．coming | C．to come | D．came |
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 |
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 |