17.They had a pleasant chat____________a cup of coffee.
No one expected house prices to fall,but ________ that’s exactly what happened.
Let’s go to give the stranger a hand.________he’s got into some trouble.
—How is your plan getting along? —I can’t carry on ________ any longer.Someone must help me.
—Could you ________ take care of my cat while I’m away? —Sure.Leave it to me,please.
—How do you find his advice? —What he said sounded ________,I think.