Mr.Johnson arrived here about half an hour ago.(对划线部分提问)划线部分是about half an hour ago.
问题描述:
Mr.Johnson arrived here about half an hour ago.(对划线部分提问)划线部分是about half an hour ago.
答
When did Mr. Johnson arrive here?
答
When did Mr.Johnson arrive here ?
What time did Mr.Johnson arrive here ?
At what time did Mr.Johnson arrive here ?
答
When did Mr.Johnson arrive here