--_____students have joined the English club since last term.
--I think _____ them is 200.
A. A number of; a number of
B. The number of; the number of
C. A number of; the number of
--_____students have joined the English club since last term.
--I think _____ them is 200.
A. A number of; a number of
B. The number of; the number of
C. A number of; the number of