Three-fourths of the surface of the earth ________ sea.
A. is
B. are
C. is of
D. has
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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
The singer and dancer ________ our party this evening.
A. is to attend
B. are going to attend
C. is about to attend
D. were to attend
One of the things she wrote about ________ life on a small farm at the beginning of the century.
A. is
B. were
C. are
D. was
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