People are talking about the new play _______in two weeks.
| A．to be put on | B．to put on | C．being put on | D．put on |
Paul is good, kind, hard-working and intelligent; _____, I can’t speak too highly of him.
| A．as a result | B．in a word | C．by the way | D．on the contrary |
To improve their oral English, everyone in the class is supposed to ______ actively in these discussions.
| A．participate | B．attend | C．enter | D．take |
Stronger and more lasting memories are likely to be formed ________a person is relaxed．
| A．where | B．unless | C．when | D．although |
Nearly four hundred supermarkets in Beijing are preparing to dim(使暗淡) their lights ________ the "Earth Hour 2010" on Saturday night．
| A．honor | B．honoring | C．to honor | D．having honored |
A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people．
| A．at | B．to | C．by | D．for |