1、【题目】_isknowntotheworld,MarkTwainwasagreatAmericanwriter.
选项：
A.As
B.Once
C.That
D.It
答案：
解析：
1、【题目】Iftheirmarketingteamsucceeds,they__theirprofitsby20percent.
选项：
A.willincrease
B.wouldbeincreasing
C.willhaveincreased
D.wouldhavebeenincreasing
答案：
解析：
1、【题目】Where is Dick?D o you think he’s reached home by now? He _________ home for a while.
选项：
A.wouldbe
B.shouldbe
C.wouldhavebeen
D.shouldhavebeen
答案：
D
解析：
暂无解析
1、【题目】Many careers require a college degree; some jobs, ________, only require previous experience.
选项：
A.however
B.therefore
C.moreover
D.furthermore
答案：
A
解析：
暂无解析
1、【题目】Ihesitatedforalongtime,andintheendIdecidedto_________thejob.
选项：
A.take
B.apply
C.find
D.search
答案：
解析：
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