[ Grammar ]
Walter Hunt invented an enormous ………. of devices, including the safety pin and a machine for making nails.
A. number
B. amount
Select your answer:
Random Topics:
Noun ClauseParticiple & Appositive Idioms Present/Future/Past Simple/Present PerfectAdjective or AdverbAntonymsGerund and To InfinitiveRoot WordQuantifiers, Countable and Uncountable Nouns
Other quiz:
Infinitives › ViewYou had better ______ at home until you feel better
A. staying
B. stayed
C. to stay
D. stay
Adjective › View
Her bag is _____ than mine.
A. A. heavy
B. B. heavier
C. C. heaviest
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