Did Peter come back early last night— Yes. It was not yet eight o’clock _________ hearrived home.

下列句中加横线的成语，使用不当的一项是（ ）

______ I park my car here for a while –No, you mustn’t. Do you see the sign “NO PARKING”

It’s important people learn team spirit.

He has ___ letters to answer and has to work from morning to night. [ ]