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Urban (城市) crowdedness would be greatly relieved if only the_______ charged on public transport were more reasonable.

As the years passed, many _________—birthdays, awards, graduations—were marked with Dad’s flowers.

Another group of Qing Tombs sits about 100 kilometres ______ of Beijing．

Ancient Greeks were responsible for many of the _______ in science and other fields．

Quite a few people like traveling, for it can increase their knowledge and broaden their _____．

—He says that my new car is a       of money.
—Don’t you think those words are just sour grapes？
lack                              B．load                               C．question                       D．Waste

The       of surfing the Internet is how you can tell whether the information is true or not.

We can see monuments here and there. Those who have made great ________ to human beings and society will never be forgotten.

He often asks his neighbour to look after his pet during his _______.

We must keep on learning if we want to keep up with the     of the changing times.