Yao Juan is the only one of the students who_________to be praised.

According to the recent regulation, it is required that any chemical plant that_______ along the river _______ to build a recycling center for the waste.

(2013·皖南八校第一次联考)A recent survey shows the number of people who shop in stores ________， while far more are shopping online.

I think that ____ very difficult to learn.

Nowadays, either 21st Century or other English newspapers _____ increasingly popular among us students.