1.①a.Faced(face) with so much trouble, we failed to complete the task on time.
b.Facing(face) so much trouble, we failed to complete the task on time.
②The boy showed great courage in the face of danger.
③Talking with friends face to face is a good way to reduce the pressure from work and life.
④In order not to lose__face(丢面子) in front of the audience, John spent many hours preparing for his first talent show at school.
2.①The price of the car ranges from 20，000 dollars to 30，000 dollars, which is within his range, so he decides to buy it at once.
②(天津卷)The price was beyond our range, so we declined.
3.①The destination of our journey is a farm situated(situate) in the valley.
②(重庆卷)Almost every day we come across situations(situate) where we have to make decisions one way or another.
