11Which of these paintings was painted by the famous artist Leonardo da Vinci? _______.
A.None
B.No one
C.Nothing
D.Neither
开始考试练习点击查看答案12— Which of these two books will you take? —I will take ______ in case the trip is boring.
A.all
B.either
C.both
D.neither
开始考试练习点击查看答案13______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
A.That
B.As
C.It
D.What
开始考试练习点击查看答案14I have bought two books recently, but ________ interests my father.
A.neither of which
B.neither of them
C.both of which
D.both of them
开始考试练习点击查看答案15We must make ___ to the public that something should be done to stop pollution.
A.what is clear
B.it is clear
C.it clear
D.that clear
开始考试练习点击查看答案16We’ve been looking for cheap houses but haven’t found ________ we like.
A.one
B.other
C.it
D.that
开始考试练习点击查看答案17New technologies have made ____ possible to turn out new products faster and at a lower cost.
A.that
B.this
C.one
D.it
开始考试练习点击查看答案18The boy became fatter and fatter each day and_____ made his parents sad.
A.which
B.what
C.he
D.it
开始考试练习点击查看答案19Protecting the earth is not ____ to be left to the government．Everybody should be concerned．
A.nothing
B.something
C.everything
D.anything
开始考试练习点击查看答案20The chairman thought ___ necessary to invite Professor Smith to speak at the meeting .
A.that
B.it
C.this
D.him
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