It is reported that Beijing and Zhangjiakou(张家口)will compete to host the 2022 Winter Olympics, which will _____ China’s social development.
Yesterday I ____my e-mail box from 163.com and found a strange e-mail.
The problem of air pollution is becoming more serious ______ the increasing number of cars.
-- Tom, why didn’t you go to the flower show? --I think it’s something ______ pleasant.
Henry works as a teacher now, but he ______ on a farm for three years.
The bookstore has sold _______children’s books as they did last year.