Topics: Simple Past & Past Progressive
“You need to stay calm now. The plane is just hitting some turbulence.”
What is “turbulence” in this sentence?
A. violent and uneven movement within a particular area of air
B. the hard, solid substance found in the ground that is often used for building
C. a substance in a form like air that is neither solid nor liquid
D. the mixture of gases that surrounds the earth and that we breathe
Select your answer:

Random Topics:
Grammar CorrectionGrammar - too & enoughIntermediate PrepositionsModals of ProhibitionPrepositions of Time, Place, and MovementPrepositional PhraseModals of Speculation and DeductionConnectives (because, due to, owing to, because of)Grammar TOEFLGrammar-Translation MethodOther quiz:
Modal Verbs › ViewThey ___ come to school tomorrow because of the holiday.
A. may
B. may not
C. are
D. do
Prepositions › View
Please turn ….. the air conditioning. It’s too hot in here.
A. in
B. on
