The knowledge that I had caused him to lose his job made me bitterly ______.

It was __________ I went fishing in the open air yesterday.

Evidence has been found through years of study that children’s early sleeping problems are _______ to continue when they grow up.

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

–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.