—Sorry, I can’t go camping with you. I have to get ready for tomorrow’s exam—______. We can do it together next time.
At first I regretted _____ them to stay, but we soon became great friends.
Most of my friends shop at the stores _____ the goods are very cheap.
Weclimbedhigher_____wemightseethescenesbetter.
According to the factory safety rules, all accidents _____ be reported to the safety officer.
John seemed puzzled about _____ the question meant.