5“Was his father very strict with him when he was at school?” “YesHe had never praised him _______ he became one of the top students in his grade.”

______ will the train ______ —In 5 minutes.

Will you tell me__________I can keep fit and healthy?

下列各句中，没有语病的一项是（ ）

How dirty your rooms are! You need to ___________.