判断正误,错的请改正

题目

判断正误,错的请改正
I have never be to America,but he was there in 1996.
The boys have sharpened their pencils the minutes ago.
The teacher has just cleaned the blackboard.
Have Tina turned on the television?
Mr.Smith drove his car with a lamp-post.
Let's go into the garage and have a look on it.
Have the children had breakfast yet?
He has sent the letter the day before yesterday.
Mr.Brown has lives here since twenty years.
Did Mrs.Jones go to the butcher's this morning?

答案

I have never be（been) to America,but he was there in 1996.The boys have(去掉have) sharpened their pencils the minutes ago.The teacher has just cleaned the blackboard.(正确）Have （has)Tina turned on...