The past two years ________ a sharp rise in oil price,which adds to the burden o
题型:不详难度:来源:
The past two years ________ a sharp rise in oil price,which adds to the burden of auto transportation industry.A.witnessed | B.has witnessed | C.is witnessing | D.witnesses |
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答案
B |
解析
考查动词的时态。根据从句的时态可排除A项,主句主语为the past two years,故使用现在完成时态,表示动作已完成,而且这个动作的结果对现在的情况仍有影响。 |
举一反三
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