摘要：对外贸易 foreign trade
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用expand/extend完成句子。
1. Metals _____ when they are heated.金属遇热则膨胀.
2. Our foreign trade____during recent years.近
年来我们的对外贸易有所扩大.
3. The petals of many flowers____in the sunshine.
许多花的花瓣在阳光中绽放.
4. There are no plans to____.
没有扩建地方机场的计划.
5) It's said that the river____,where almost connects to other country.
据说这条河延伸到很远的地方,几乎连接了另一个国家.
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2. Our foreign trade____during recent years.近
年来我们的对外贸易有所扩大.
3. The petals of many flowers____in the sunshine.
许多花的花瓣在阳光中绽放.
4. There are no plans to____.
没有扩建地方机场的计划.
5) It's said that the river____,where almost connects to other country.
据说这条河延伸到很远的地方,几乎连接了另一个国家.