I am sure that that was a skunk around the trash cans.If I hadn’t seen it myself, I ___ it.
| A．would never have believed | B．never did believe | C．could never believe | D．never have believed |
Mum, you really need to have a rest! You in the kitchen ever since you came back home three hours ago.
| A．had worked | B．were working | C．have been working | D．worked |
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 |