70 percent of the people present ________ teachers.
A. is
B. are
C. are coming from
D. belong to
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Either you or the headmaster ________ the prizes to these gifted students at the meeting.
A. is handing out
B. are to hand out
C. are handing out
D. is to hand out
Three-fourths of the surface of the earth ________ sea.
A. is
B. are
C. is of
D. has
Either of the books ________ mine.
A. is belong to
B. is of
C. is
D. were
John said that she ________ lunch when I called her.
A. is having
B. will have
C. was having
D. would have
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