—Do you mind if I record your lecture?—_______.
is known to us all that the old scientist,for life is hard in the past,still works hard in his eighties.
The 8.0-magnitude quake,centered in Wenchuan County, more than 69000 people dead.
—How is your collection going?—I need one more stamp before my collection .
Language belongs to each one of us,to the flower-seller to the professor.
He won't want to eat it unless he is really hungry,in case he will eat almost anything.