–We should use      methods to deal with different incidents. You know, anything can happen in that situation.–I got it. Thank you for reminding me.

_______news came ________an unknown disease was spreading in the area .

-Life itself tells us it is necessary to learn to be     .One can hardly survive without help from other people in the world.

 With his wife talking endlessly about his this and that, it is quite _______ for him to lose his temper.

______ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.