Our teacher has a piece of chalk in her hand.同义句a piece of chalk in her hand.—— ——要准确地，This is a piece of chalk in her hand.
问题描述：
Our teacher has a piece of chalk in her hand.同义句
a piece of chalk in her hand.
—— ——
要准确地，This is a piece of chalk in her hand.
答
There is a piece of chalk in her hand
答
There is a piece of chalk in our teacher hand这是There Be句型与Have句型的转换,可以一通百通,但是前者转变成后者时要注意人称、时态的相应改变,而后者转成前者时要特别注意Be的单复数形式