A: When did the Shanghai Expo open? B: ___________ May 1st, 2010.
—How do you find your new classmates, Jim? —Most of them are nice to me, but ______is better to me than Rick.
Have you heard of ______ news? The price of ______petrol(汽油)is rising again.
Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.
Li Feng’s __________ of devotion to others will be remembered forever in China.
The two ladies are ___ the same age, but there seems to be ten years ______ them.