More ___ 20 ethnic groups live in DeKalb County (near Atlanta), which has the highest concentration of Asian businesses in the southeastern U.S.
a. them
b. then
c. than

Random Topics:
1st and 2nd ConditionalsFirst ConditionalPre-intermediateVerb Tenses and Sentence StructureThe -ing Form of VerbsPresent Perfect and Present Perfect ContinuousCountable - Uncountableanother/the others/each other/one anotherPronouns, Verb, ConjunctionRegular and Irregular AdverbOther quiz:
Tenses › ViewChoose the correct form of the verb: They ___________ a new car next year.
A. will buy
B. bought
C. are going to buy
D. will buying
Grammar › View
What is the complete subject?
Everyone in the stadium watched the game.
A. Everyone in the stadium
B. watched the game
C. in the stadium
D. the game
Grammar › ViewJenny went shopping after she _____________ (have) her money back.
A. have had
B. had had
C. has have
D. had have
Grammar › View
Complete each sentence by adding the adverb in the form indicated: Kayla swam _____ than her sister. (frequently, comparative)
A. most frequently
B. frequently
C. more frequently
D. frequenter