.If we humans beings continue to waste and destroy natural resources without using _____ energy, such as the energy from the sun, wind and water, our earth will be done for.
| A．alternative | B．solar | C．conventional | D．recycled |
A lack of comfortable resting areas and too much focus on ___________ shops made the whole trip an absolute disaster.
| A．souvenir | B．scenario |
| C．species | D．savanna |
The President is very __________ about the outcome of the six-party talks. But I don’t think they can reach any agreement.
| A．pessimistic | B．discreet |
| C．optimistic | D．neutral |
As a (an) ___________, working in The Sunday Times, Allen is in charge of the content of the newspaper, comments on stories and issues.
| A．journalist | B．editor | C．critic | D．cartoonist |
-I didn’t go to the art show, because I lost my ticket.
-You ______ have borrowed mine. I didn’t go to see it anyway.
| A．might | B．need | C．could | D．must |
Had it been possible, I would have gone to attend Monica in the hospital, but I _______ fully occupied last month.
| A．had been | B．was | C．am | D．have been |