—Have you handed in your schoolwork yet?
—Yes, I have. I guess it ______ now.
| A．has graded | B．is graded | C．is being graded | D．is grading |
________that the government can clear up official corruption，we are________ about the future of our country．
| A．Convinced；optimistic | B．Convincing；optimistic |
| C．Convinced；pessimistic | D．Convincing；pessimistic |
General Secretary，Xi Jinping stressed that cross－strait cooperation would be strengthened________ the two sides could agree to oppose Taiwan independence．
| A．unless | B．even if |
| C．as long as | D．until |
－How did you find those days．
－The days________ we spent together on the farm are not easy________．
| A．that；to forget | B．when；to be forgotten |
| C．when；to forget | D．that；to be forgotten |
George once told me that he would visit our house，but，for various reasons，he ________so far．
| A．didn't | B．hasn't | C．hadn't | D．wouldn't |
Premier Li Keqiang delivered a speech at the conference, _________ university graduates to start their own business.
| A．encouraging | B．to encourage |
| C．having encouraged | D．encouraged |