As far as I am concerned, a good plan must be ______ so that it can adapt to some necessary changes.
The settlement is home to nearly 1,000 people, many of __ left their village homes for a better life in the city.
Many lifestyle patterns do such __ great harm to health that they actually speed up __weakening of the human body.
-- How about camping this weekend, just for a change? -- OK,you want.
The traffic rule says young children under the age of four andless than 40 pounds must be in a child safety seat.
Wind power is an ancient source of energywe may return in the near future.