Have you ever been to Mount Huangshan, ___________is famous for its pine forests and "sea of clouds"?
Have you ever been to Mount Huangshan, ___________is famous for its pine forests and "sea
of clouds"?
Good job! Not a single mistake ______ in your homework.
If you ______ half an hour every day for English reading, you are sure to improve your reading ability.
Hi, somebody ______ the window, please. It’s too cold in here.
______ you think you can or not, you must finish the project before Friday.
Good news-two of our classmates ______ into Tsinghua University in advance!