30.1 tried to fix the car myself but ______ the attempt after a couple of hours.
Having lived in the town for many years,Mr. Smith no longer felt ________ among the local people.
—Look!He's running so fast!—Hard to ________ his legs were once broken.
—I've got a cough and my chest hurts.—________.Let me examine you.
I am very ________ with my living room.It really has a ________ atmosphere here.
Having introduced the new equipment,the company turned out ________ in 2009 as the year before.