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The poor little girl longed for a lovely Barbie, ___ her mother could never afford．

Tom's mother kept telling him that he should work harder, but ______didn't help．

In his lecture, the professor referred to the belief, in contrast to all other countries, _____ the elderly are wise, _____ is particularly dominant(占優(yōu)勢(shì)的) in the Chinese culture．

If you want to change for a red one you'll have to pay ___________ $ 20.

The English spoken in the United States is only slightly different from ______ spoken in England.

—Which of the two computer games did you prefer?
—Actually I didn’t like ______.

The doctor thought ____ would be good for you to have a holiday.