It is well known _______ all people that Beijing is known _______ the capital of China.

On the chairs　　　　， who had come to Dalian looking for jobs.

David asked______ in China.—– Of course not. Chinese usually shake hands with a lady as a greeting.

It looks like a television．Do you think so——Yes．I ．

You’d better not _______ these two sentences, otherwise thereaders cannot fully understand you.