Smiths went to bed __________ they arrived at the hotel.
—It’s difficult for the villagers to cross the river for market.—I think a bridge _________ over the river.
—What do you plan to do this weekend?—I don’t feel like _________ such a long trip. I would like _________ with my mom at home.
—look! It’s raining _________.—That’s great. It’s too hot these days.
—Oh! I failed again.—Don’t lose heart. One more effort (努力), _________ you will succeed.
—All the teachers went home _________ Mrs. Wang. Why?—Because she had to finish her work.