The conference has been held to discuss the effects of tourism ______the wildlife in the area.A. in B on C. at D. with
–_____ did you work out the problem in such a short time? --With Mr. Li’s help.
—What would you like, tea or coffee?—_____, thanks. I just prefer a glass of water.
—The school network will be shut down for safety reasons. —That doesn't me at all.I'm not a net-worm, anyway.
Tony’s mum looks young and beautiful. It’s hard to imagine she is already in her .
— Where is Joan? — She a novel in her study.