He is a member of our .
| A．brain power | B．brains power | C．brain powers | D．brains powers |
. Many people think that it is ____________making such an experiment.
| A．worthwhile | B．worth | C．worthy | D．valuable |
. One day I ____________a newspaper article about one in six European mammal species threatened with extinction.
| A．came at | B．came across | C．came about | D．came after |
. We can catch____________ sight of millions of stars in____________space.
| A．/, the | B．the, / | C．/, / | D．a , the |
Whether ways will be found to help China _______ the current world financial crisis is just _______ worries the public.
| A．prevent; that | B．survive; what | C．forbid; that | D．quit; what |
. He has bought a _____________ house.
| A．beautiful wooden small old | B．wooden old small beautiful |
| C．small old beautiful wooden | D．beautiful small old wooden |