[ Grammar ]
Some say the light bulb was the most significant ____ in history.
A. innovation
B. inspiration
C. implication
D. instigation
Random Topics:
Perfect ModalsVerb AbilityArticles and DemonstrativesVerbsPresent/Past/Past ParticpleTime ClauseGrammar Double Object VerbsDo not- Does notAdverbial Clause of ConcessionPhrasal VerbOther quiz:
Grammar › ViewIdentify the Subordinating Conjunction:
I will call you after I find the solution.
A. I
B. find
C. solution
D. after
Grammar › View
Maria _______ learning English for 7 years.
A. have been
B. have
C. has been
D. has
Grammar › ViewThis tea is …………………….. hot to drink.
A. enough
B. too
C. these
D. those
Grammar › View
Jane______the floor at the moment.
A. mops
B. mop
C. is mopping