[ Grammar for TOEFL ]
There are geographic, economic, and cultural reasons why _____ around the world.
A. diets differ
B. do diets differ
C. are diets different
D. to differ a diet

Random Topics:
ConnectivesPronouns ( Interrogative )Tense,noun,preposition,quantityAdverbs of Time and PlacePast Simple & Past PerfectTenses and Sentence CompletionConditional Sentences Type I, IISuffixes (ing-ed) SentencesUsed toCan vs be able toOther quiz:
Tenses › ViewIt _______ when we arrived at the airport.
A. rained
B. was raining
Grammar › View
. The students ____ their English homework last night.
A. did
B. do
C. does
D. doing
E. done
Grammar › View5 My boss……………..to Kota Bahru every month.
A. fly
B. flies
C. is flying
D. are flying
Subject Verb Agreement › View
In Greek Mythology, The Argonauts ________ a movie about Jason’s adventure to retrieve the golden fleece.
A. is
B. are
C. none of these
