cal government in Shenzhen has recently passed anew regulation forbidding supermarkets and stores to _______ free plastic bagsto shoppers, in order to protect the environment.

If you feel tired out and unable to think clearly,that is________you have to get a rest[ ]

English isn’t as as Chinese．

Jenny, do Chinese people celebrate Easter Day— No. This is the first time I’ve celebrated ______ festival.

下列各组对话中，语言表达得体的一项是 ( )