题目内容
苏珊打包花了很长时间，所以她没赶上去美国的飞机。
It took Susan a long time ________ ________ her bags, so she didn't catch the plane to the USA ________ ________.
答案：
解析：
解析：
|
to,pack,on,time |
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题目内容
苏珊打包花了很长时间，所以她没赶上去美国的飞机。
It took Susan a long time ________ ________ her bags, so she didn't catch the plane to the USA ________ ________.
|
to,pack,on,time |