71Jack, _____ friend, went back to America last Monday.
A.me
B.I
C.my
D.mine
开始考试练习点击查看答案72They 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73Weather in these years is not similar to ____in the past .
A.it
B.that
C.one
D.those
开始考试练习点击查看答案74We teachers must see to ________that every student can understand.
A.all
B.that
C.it
D.one
开始考试练习点击查看答案75We made ____ clear when and where we ____ going to have the meeting.
A.that; are
B.it; are
C.it; were
D.that; were
开始考试练习点击查看答案76Clothing made of man-made fibers has certain advantages over _____ made of natural fibers like cotton, wool or silk.
A.the ones
B.one
C.that
D.what
开始考试练习点击查看答案77They produced two reports, ______ of which contained any useful suggestions.
A.neither
B.either
C.all
D.none
开始考试练习点击查看答案78：—Did ________ of your parents come to attend the opening ceremony? — ________ of them came.
A.any; None
B.any; Neither
C.either; Neither
D.either; Any
开始考试练习点击查看答案79We are seeking a prime minister, ______ who will devote himself to the interest of the country.
A.he
B.him
C.that
D.one
开始考试练习点击查看答案80：______is necessary that he be sent there at once.
A.It
B.He
C.That
D.One
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