With the development of thecentral and western China，more and more modemcities have ——in what wasa wasteland ten years ago

My cousin doesn’t know what to ______ at the university; he can’t make up his mind about his future.

Every time he tries to break a record, he reaches a point ________ he feels he can not physically do any more[ ]

Is there anything new about the lost Malaysia Airlines flight –No. It was said ___________________________________.

My brother is a knowledgeable person in his office.— books you read， knowledge you’ll gain.