你在路上遇到一个你认识的人，你应该说 ____________。

More than seven in ten get angry ________ to wait longer than one minute for a web page to be downloaded.

atures________ quite dramatically at night in mountains, so put on some warm clothes before going out.

The young man from Luo Yang Called Liu Yongying is really a kind -hearted guy , who is ready to help others . — A good fellow（小伙子）_____

Some of the old beliefs passed down from one generation to another ________ the present thinking.