It is reported that between the year 1550 and 1950 about one kind of living things___each year .
—Are you going to the concert? —I’m not sure. I stay inside and watch it live on TV instead.
The number 2008 is a special number,I think, that will be remembered by the Chinese forever.
—How long do you suppose it ishe arrived here? —No more than half a week.
Didon time make the teacher angry?
—Thank goodness, you are here! Whatyou? —Traffic jam.