Since then the number of people taking driving lessons______20%.A.has increased
题型:不详难度:来源:
Since then the number of people taking driving lessons______20%.A.has increased to | B.increases by | C.has increased by | D.have increased |
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答案
C |
解析
试题分析:考察时态。本题的关键是时间状语since then,该时间状语和现在完成时连用。句意:从那时起,参加驾驶考试的人的数量已经上升了百分之20.句中的介词by表示程度;to表示结果。故C正确。 点评:时态题的考查关键是抓住句子的上下文含义和句中的时间状语。要根据时间状语来选择合适的时态,在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处。如since, so far等经常与现在完成时连用。在条件状语从句中用一般现在时代替将来时等等。 |
举一反三
By the time I got to the office, the meeting ______.A.had begun | B.began | C.was beginning | D.would begin |
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