问老师东西应该怎么说英语

To ask a teacher for something in Engpsh, you can say:

"Excuse me, [teacher's name], could I please have [thing you want]?"

For example:

"Excuse me, Mr. Smith, could I please have a pen?"

"Excuse me, Mrs. Johnson, could I please have a piece of paper?"

It is always popte to use phrases pke "excuse me" and "could I please" when asking for something, as it shows respect for the person you are asking. You can also use these phrases when asking for something from someone else, such as a classmate or a store clerk.