Mr. Thomas is ______ a teacher to us. We look on him as our friend.

Peter, as well as his two sisters Sondra and Emily,____ left-handed.

下列各句中，没有语病的一项是（ ）

When would it be ________ for you to go to the science museum with me?-I am free this Friday afternoon. Let’s meet at 2 p．m. at the school gate.[ ]

_______ is known, John studies in _______ is considered the best school in the city.