61-The cruelty of the terrorists towards foreigners and ________ of the terrorists towards London last month, filled everyone with horror．
A.those
B.one
C.that
D.it
开始考试练习点击查看答案62The doctor advised Vera strongly that she should take a holiday, but _____ didn"t help.
A.it
B.she
C.which
D.he
开始考试练习点击查看答案63They are good friends. _____ is no wonder that they know each other so well.
A.This
B.That
C.There
D.It
开始考试练习点击查看答案64Recently I received a letter from him, and _____ was a big surprise for me.
A.that
B.which
C.it
D.who
开始考试练习点击查看答案65In fact _____ is a hard job for the police to keep order in an important football match.
A.this
B.that
C.there
D.it
开始考试练习点击查看答案66All________ made______ possible for China to succeed in carrying on its reforms and open-door policy.
A.what happened; it
B.what happened; that
C.that happened; it
D.that happened; that
开始考试练习点击查看答案67When you go outing with your sisters, you must see to ____ that they are safe.
A.everything
B.it
C.them
D.yourself
开始考试练习点击查看答案68You may find _____ astonishing that Charlie was taught to sing as soon as he could speak.
A.one
B.this
C.that
D.it
开始考试练习点击查看答案69Many people believe that ______ will take years to develop a car that does not pollute the air.
A.it
B.that
C.there
D.this
开始考试练习点击查看答案70The doctor thought _____ would be good for you to have a holiday.
A.this
B.that
C.one
D.it
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