Tom, you never told me why you were late for school again,_____ you —____ . But maybe you forgot it, sir.

With more practice, I found reading was not as ________ as I used to think.

Who’s that boy —Liang Bo. Heis___ very popular singer in Voice of China.

Shanghai is a big city ____ the east of China and it is ____ the Yangzi River

b here is only _____, for you will beremoved from it when we have a proper post for you