Which materials can be thrown into the sea _______on the nature of them?
A fire broke out in the apartment last night. _________ it was put out soon and nobody was hurt.
Although we have some trouble in study, we believe we can _______.
I can’t stand _____with Jane in the same office. She always keeps complaining.
Williams sisters completed their high school_______ developing their tennis careers.
---Did you see a man in black pass by just now? ---No, sir. I _______ a newspaper.