[ Mixed General Quiz ]
As of 1997, the populations of South Korea and North Korea ___ around 46 million and 15 million, respectively.
a. were
b. was
c. is

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Grammar › ViewThe car won’t start. It ______ be out of fuel.
A. must
B. can’t
C. may
Articles and Demonstratives › View
Choose the correct article: ___ umbrella
A. some
B. a
C. the
D. an