Since then the number of people taking driving lessons______20%.A.has increased

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 toB.increases by
C.has increased byD.have increased

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 begunB.began
C.was beginningD.would begin

题型:不详难度:| 查看答案
The recent stories in this magazine, _____ one of yours, have been ____ in the list
of the best ones.
A.include; includeB.including; including
C.including; includedD.included; included

题型:不详难度:| 查看答案
-- Why do you look so worried ?
-- My MacBook Pro broke down and my paper _____ unfinished ever since.
A.leftB.was leftC.has been leftD.has left

题型:不详难度:| 查看答案
-----You shouldn’t have gone there alone last night .
-----But I ______. Philip went there together with me .
A.didn’tB.hadn’tC.wouldn’tD.wasn’t

题型:不详难度:| 查看答案
-----Did you have a hard time traveling back home?
-----Yes, it ______ for four days when I arrived in Guiyang and all the roads______ covered with ice.
A.snowed, wereB.was snowing, had been
C.had been snowing, had beenD.had snowed, were

题型:不详难度:| 查看答案
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