Hurry up, kids! The school bus _______ for us!
To learn English well, we should find opportunities to hear English as much as we can.
After the fierce competition, the students were taken to their camp, _____ they would rest for next round.
It was never clear _____ the man hadn't reported the accident sooner.
—How do you find your new pen?—Wow, ______, so it’s really worth the money I paid.
How terrible! The eggs have gone bad and ______ such a bad smell.