What wine shall we prepare for the dinner?-You’d better think about it twice, because some guests are ___ about their wine．[ ]

I wonder________there are so many naturaldisasters across the world in 2010.

om needs _______,so he must have it________.

There was ______ time _____ Chinese used foreign oil

It is uncertain____side effect the medicine will bring about，although about two thousand patients have taken it.