Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _____ easily, which does great harm to our environment.

The one concern for parents and students is _______ the student pursues their university education in a foreign country, the student will not have the opportunity to establish social contacts in China.

I’m looking forward to the National Day. We’ll have a __________ holiday.

Copy the expression ___________, please, without any changes

______ people are at the train station during the Spring Festival.