After entering high school, he felt regretful for the time he had wasted playing computer games and studied hard to ________ it.
A．sum up B．take up C．make up D．hold up
More than 100 million people live in the beautiful province, __________.
A．most of them live in the east B．most of them in the east
C．most of them are from the east D．most of them are living in the east
The World Food Prize, created in 1986, is _______each year to people who have advanced human development by improving the quality, quantity or availability of food in the world.
A．awarded B．rewarded C．presented D．represented
The British science fiction writer, Isaac Azimac, believes that robots are_____ ever to do harm to a human being.
A．unfortunately B．unexpectedly C．unlikely D．unbelievably
______children get older, Doherty said, their brains may develop the ability to indentify visual context.
A．As B．When C．While D．Since
_____, I think, and the problem can be settled.
A．If you double your efforts B．If you make greater efforts
C．If you spare no efforts D．Some more efforts
