More than one doctor _______ involved in the rescue that took place after the earthquake.
A. was
B. is
C. were
D. are
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Each man and each woman _____ asked to come.
A. are
B. is
C. has
D. were
The population of China _____ over 1.3 billion and eighty percent of the population_______ farmers.
A. is; are
B. are; is
C. is; is
D. are; are
The audience ______ their seats in the music hall now.
A. are taking
B. is taking
C. are taken
D. was taken
The salesman told me that a good set of tyres ______ guaranteed to run at least fifty thousand miles.
A. was
B. were
C. had been
D. will be