It seemed a pity they ate it after all the trouble they had _____in making it.

This book      all the information you need.

I broke my relationship with John because he always found            with whatever I did.

 During the flight to the Moon, Chang'e I Satellite gradually ________ her directions so that she can go into her programmed orbit.(2012· 福建“四地六校联考”)

Listen! Do you hear someone _________ for help?