We won’t go to the park if it ________ tomorrow.
It’s not easy for trailwalkers to finish walking a__ trail within 48 hours.
This kind of computer ________ too much. I can’t afford one.
Luckily, all the students got out of the teaching building _ it fell down.
—How are you going to the train station to meet your aunt?—I'm going there ______ my car.
By _______ way, is _______ man in _______ red your brother?