The fact has worried many scientists ______ the earth is getting warmer and warmer these years.
| A．what | B．which | C．that | D．though |
is known to us all that the old scientist，forlife is hard in the past，still works hard in his eighties．
| A．It；whom | B．As；whom | C．As；whose | D．What：whom |
The 8.0-magnitude quake，centered in Wenchuan County，more than 69000 people dead．
| A．left | B．leaving | C．to leave | D．having left |
—How is your collection going?
—I need one more stamp before my collection．
| A．is completed | B．will be completed | C．has finished | D．will be finished |
Language belongs to each one of us，to the flower-sellerto the professor．
| A．as much as | B．as well as | C．as far as | D．as long as |
He won't want to eat it unless he is really hungry，incase he will eat almost anything．
| A．whose | B．which | C．what | D．when |