_______ such a heavy financial loss, Mr. Smith found it difficult to run his company.

Which one of the following has adifferent stress from the others

Why didn’t you try your best to get on the subway (地铁)—I tried to, but it started moving _______ I could get on it.

He began to take political science only when he left school [ ]

ing experiences happen to usthroughout our lives, and not too long ago, I had______ that I would like toshare.