[ Subject-Verb Agreement ]
One hundred years ______ a long time in human history.
A. Isn’t
B. Weren’t
C. Aren’t

Random Topics:
Conjunctions & PrepositionsSubjunctivesCommon Grammar Mistakes and Spelling TipsSimple Present and Simple PastPresent Simple and Modal VerbsModal Verbtake, make, doGrammar (either..or.. and neither..nor..)used to vs be used to vs get used toComparatives - SuperlativesOther quiz:
Grammar › ViewOut of the blue
A. suddenly, without warning
B. running very fast
C. coming out of the colour blue
Verb Patterns › View
The girls managed… all the work done before lunchtime
A. to get
B. getting