2. 职称英语
  3. ______ Dr. Rossi hired the new assistant, the office has become more organized.A

______ Dr. Rossi hired the new assistant, the office has become more organized.A

游客2025-06-18  1
问题 ______ Dr. Rossi hired the new assistant, the office has become more organized.
选项 A、When
B、Before
C、While
D、Since
答案 D
解析 Since is the correct subordinate conjunction showing cause and effect. Choice (A) shows cause and effect but would need the past tense in the main clause to be parallel. Choice (B) is incorrect because of the present perfect use of have become in the main clause. Choice (C) means although or during.  
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