He made _____ experiments to prove his theory, and the number _____ added up to 600.
A.a large number of ;have | B.a great deal of; has |
C.a great many; has | D.plenty of; have |
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He made _____ experiments to prove his theory, and the number _____ added up to 600.
A.a large number of ;have | B.a great deal of; has |
C.a great many; has | D.plenty of; have |