最佳答案：holiday22这个词是名词，如果加些介词，大概有一些几种用法：1.“去度假”用for ：She's going to Australia for a holiday22.2.“在假期里”按
holiday22这个词是名词，如果加些介词，大概有一些几种用法：
1.“去度假”用for ：She's going to Australia for a holiday22.
2.“在假期里”按传统用法用in：What are you going to do in your holiday? Many tourists came to visit his farm in holidays.
现在也有用on的：They often go to see their parents on holiday22.
3. 短语on holiday是“在休假”：Mr Green is on holiday now.
