Yesterday the teachers and students held a grand meeting _________ the 60th anniversary of our school.
Two middle-aged passengers fell into the sea. ______, neither of them could swim.
---Waiter! ---______ ---I can’t eat this. It’s too salty.
A harmonious society is like a symphony — each person contributes a small sound, but when __with other sounds, it becomes beautiful music.
___________________ to sunlight for too much time will do harm to one’s skin.
With her health ____________________, she had to quit the job she loved. A. broken down B. broke downC. having broken down D to break down