[ Grammar ]
Walter Hunt invented an enormous ………. of devices, including the safety pin and a machine for making nails.
A. number
B. amount
Random Topics:
IF CLAUSEConjunctions and TransitionsSimple, Compound, Complex SentencesDescribing WordsConnectives (because, due to, owing to, because of)Passive SentencePresent Perfect TenseVocabullary TestVerb to beArticles and NounsOther quiz:
Adverbial Clause / If / Comparatives › ViewHe drives ______ his brother.
A. more careful than
B. more carefully
C. more carefully than
D. as careful as
Verb › View
We’re trying to decide how many people to invite _____ our wedding.
A. About
B. For
C. To
D. With
She ________ (not, hang up) all the pictures yet.
A. Has not been hanging up
B. Has not hang up
C. Has not hung up
D. Has not been hung up
Present Tenses › View
_____ your brother and sister been getting along?
A. have
B. has
C. are