Peter believes the present his sister got is much more wonderful than his, ________— The grass is always greener on the other side.

Who’s that girl—You mean ______ one with long blond hair That’s Jack’s daughter.

I will try my best to stop my son from _____ the same mistake.

下列各句中，没有语病的一句是(　　)

__________ is the weather in Nanjing today —It’s windy and cold.