精选优质文档-倾情为你奉上A. why B. how C. whether D. when【答案】C 【解析】根据结构词or就很容易断定：whetheror。句意：你居住在那里是很短一段时间还是很长一段时间，都没有关系。27. The moment _soon, he thought to himself, waiting nervously.A. came B. has tome C. was coming D. is coming【答案】D 【解析】根据soon “很快”很容易断定是将来时，这里是直接引语，所以要用D（表示 “来、去、动身、启程”这类动词经常用进行时表将来）。句意：“这一时刻很快就要到了”。28. _I always felt I would pass the exam, I never thought I would get an A.A. While B. Once C. If D. Until【答案】A 【解析】句意：尽管我老觉得我会通过考试，然而，我从来不曾想过会得“A等”。根据上下文可以看出，
