28．The university with two____campuses hasa student population of 50,000 in total．
| A．unique | B．single | C．separate | D．Alternative |
The film X—Men Ⅲ______ to be another big box office draw next year．
| A．has promised | B．is promising |
| C．will promise | D．Promises |
Jack Ma is the richest man in China now and has ______ $3billion to invest in environment and education．
| A．set aside | B．set about |
| C．set down | D．set up |
My aunt is thought very fashionable，for she is always wearing a sweater______ on TV these months．
| A．advertising | B．having advertised |
| C．being advertised | D．to be advertised |
Social and economic development has contributed to an increasing______ for future．
| A．demand | B．curiosity |
| C．anxiety | D．Arrangement |
Today APEC is playing a more important role in the world stage，______ purpose is to promote economic cooperation in the Asia-Pacific area．
| A．where | B．whose | C．when | D．Which |