题目内容
2. (2015 山东临沂中考) Tim Cook called his mother every week even while he around the world.
A. was traveling B. is traveling
C. traveled D. travels
2. A句意:蒂姆.库克每周都给妈妈打电话，即便是在他环球 旅行时也不例外。主句是一般过去时,从句需用过去进行时 态表示过去正在发生的时情。故选A.
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