摘要：For example, firefighters could use RealCine to train safely, without the risk of in a building. A.getting lost; burned B.getting hurt; burning C.getting changed; burned D.getting burnt; burned
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The web is fantastic at many things, e-mail, e-commerce, for example. But _____ your name is Amazon Or Google, making money has proved hard.
- A.if
- B.although
- C.unless
- D.as
At times, worrying is a normal, ________ response to a difficult event or situation-a loved one being injured in an accident, for example.
- A.effective
- B.individual
- C.inevitable
- D.unfavorable