依次填入下列横线处的词语，恰当的一项是（ ） 远方山边的牧民帐篷上，升起了____青烟，一群群牛羊如星星般____在翠绿的草原上。我想象中的长江源头“无人区”并没有出现，反倒是____田园牧歌的景象。
依次填入下列横线处的词语，恰当的一项是（ ） 远方山边的牧民帐篷上，升起了\_\_\_\_青烟，一群群牛羊如星星般\_\_\_\_在翠绿的草原上。我想象中的长江源头“无人区”并没有出现，反倒是\_\_\_\_田园牧歌的景象。
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All medicines should be kept out of _____ of children.
All medicines should be kept out of \_\_\_\__ of children.
Sam has been appointed _____ manager of the engineering department to take _____ place of George.
Sam has been appointed \_\_\_\__ manager of the engineering department to take \_\_\_\__ place of George.
Here is some _____ advice to any young businessman.
Here is some \_\_\_\__ advice to any young businessman.
We all agreed to her suggestion that we _____ to the Great Wall for sightseeing.
We all agreed to her suggestion that we \_\_\_\__ to the Great Wall for sightseeing.
Many a student _____ the importance of learning a foreign language.
Many a student \_\_\_\__ the importance of learning a foreign language.
Large quantities of water _____ for irrigation.
Large quantities of water \_\_\_\__ for irrigation.
_____ people found out the behavior of electricity.
\_\_\_\__ people found out the behavior of electricity.
It was not until she arrived in class _____ realized she had forgotten her book.
It was not until she arrived in class \_\_\_\__ realized she had forgotten her book.
It was not _____ midnight that they discovered the children were not in their beds.
It was not \_\_\_\__ midnight that they discovered the children were not in their beds.
