[ Sit vs. Set ]
To avoid back pain you should ___ straight.
a. set
b. sit
c. seat

Random Topics:
Unreal ConditionalsPerfect and Past TenseAdjective Clause and Adverb ClauseSuperlative & Comparative AdverbsSynonym and AntonymArticles A and AnRelative Pronouns and AdverbsAdverb of MannersComplex PrepositionsPresent Perfect and Present Perfect ContinuousOther quiz:
Present Simple › ViewThey ______ _____ French
A. doesn’t speak
B. don’t speak
C. did spoke
Preposition of Place › View
My mother is a nurse. She works —- hospital
A. in
B. on
C. at
Grammar › ViewChildren _________ respect their parents.
A. should
B. shouldn’t
C. must
D. mustn’t
Grammar › View
The book is missing ____________________ cover.
A. it’s
B. its
