21.The reason ____ we should learn a foreign language is very clear.

题目

21.The reason ____ we should learn a foreign language is very clear.
a.when b.that c.why d.which
22.My new glasses cost me _____ the last pair that I bought.
a.three times b.three times larger than
c.three times as much as d.as much three times
23.The doctor’s mistakes in judgment __ _ the death of the patient.
a.resulted from b.resulted in
c.brought out d.broke off
24.September 10 is Teachers’ Day in China.That day _____ teachers.
a.to honor b.honor c.honors d.honoring
25.If we both leave,who will __________ the children?
a.take care b.take care of
c.take of d.take
26.He _____ his leg when he ran in a long distance race.
a.injured b.was injured c.has injured d.injuring
27.Every time you cough you may _____ others with germs.
a.infected b.infecting c.to be infecting d.be infecting
28.One book _____ a long time to read.Louis thought there must be a better way to read
a.takes b.took c.spends d.spent
29.Our univ

答案

21C 22C 23B 24C 25B 26A 27A 28A 29C 30A 31C 32D 33A 34D 35A 36B 37A 38A 39C 40D