Siberian Tigers ________ and killed at such a speed that they will disappear from the earth in the near future

You look tired，Mike.—Oh，I stayed up last night，________the final of the Voice of China on TV.

re fish, ______ from thecooking pot, has been returned to the sea

I am _____ to hear the _____ news that my brother has passed the driving test.

It’s impolite __________others. Always wait politely.