[ Grammar ]
The telephones_______ by Alexander Graham Bell.
A. is invent
B. is inventing
C. invented
D. was invented

Random Topics:
ConjunctionsModals in the PastPresent, Past, and Future TimeAdverbial Concession ClausesDo not- Does notParts of Speech and GrammarNoun PhraseGrammar - direct/indirect objectsGrammar TOEFLGerund or InfinitiveOther quiz:
Appositive Phrase › ViewI just left the hotel after two nights, a very clean and comfortable place.
- a very clean and comfortable place
- the hotel
- I just left the hotel after two nights
- none
Grammar › View
Tom is taking a ….. course in web design that is only 3 weeks long.
A. fast
B. heavy
C. smash
D. crash
Conjunction › ViewHe was expelled from school _____ his bad behaviour.
A. so
B. although
C. because of
D. however
Grammar › View
Granting someone a favour means asking someone to …
A. agreeing to help out someone
B. disagreeing to help a person
C. saying yes to a question
D. saying no to a question
