n’t believe John won the first prize at the speech competition, ______

w Hukou policy, according to someexperts, ______ to attract more high-end talents to contribute to Shanghai’sdevelopment.

the team finished most of their research work?—Yes, but the rest rather difficult

One can always manage to do more things，no matter full one’s schedule is in life.

I didn’t hear you come in at noon.—That’s good. We tried _______ any noise. We wanted you to have a good sleep.