题目内容
The "Echo House" will demonstrate how we can live with highly efficient insulation, solar heating, energy efficient ______ and organic gardening．
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To support the general statement in the first sentence, each ______ sentence in the paragraph provides a different example.
In fact the purchasing power of a single person's pension in Hong Kong was only 70 per cent of the value of the （） Singapore pension．
The child should always ______ the same basic procedure: seeing the whole word-hearing and pronouncing-writing from memory.
A cobweb glistening with dew seems as ______ as it is lovely.
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