Whale beachings(搁浅)_______ be caused by factors such as illness, or disorientation(迷失方向)caused by extra noise in the oceans, ______ shipping or oil and gas drilling.
—No, I’m afraid he isn’t in. This is his secretary speaking. Can I help you? —____
. —Let’s go and have a good drink tonight. —___ Have you got the first prize in the competition?
___ other good students, in my opinion, Tom is _____ student.
Professor Black has written some short stories, but he is ____ known for his plays.
_____ for the free tickets, I would not have gone to the theatre.