题目内容
句型转换
At the sight of their teacher, the children jumped with joy.
________ ________ their teacher, the children jumped with joy.
答案:
解析:
解析:
|
On/Upon seeing |
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题目内容
句型转换
At the sight of their teacher, the children jumped with joy.
________ ________ their teacher, the children jumped with joy.
|
On/Upon seeing |