写作训练 请用定语从句将下面的语句连成一个句子. The hot air balloon was designed by the Montgolfier bro
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写作训练
请用定语从句将下面的语句连成一个句子。
The hot air balloon was designed by the Montgolfier brothers． Its first flight was made in 1783．
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解析：The balloon, whose first flight was made in 1783 , was designed by the Montgolfier brothers． |