[ Vocabulary ]
Choose the correct definition for the word ‘externality’.
A. A government policy to regulate international trade
B. A type of investment with high risk and return
C. A sudden change in market prices caused by unexpected events
D. A side effect of an activity that affects others without being reflected in costs/benefits

Random Topics:
Question tag and + - AgreementModals - Conditionals - Future TensesEnglish ArticlePast Narrative TensesPast and Present TensesAdjectives vs AdverbsPresent Simple and Present Continuous TensesFinite and Non-Finite VerbAdverbs of frequencySentence CompletionOther quiz:
Some vs. Any › ViewYes, I would. Bring me … red wine that you have.
a. some
b. any
Grammar › View
Would you ________ learn the guitar or the violin?
A. Rather
B. Prefer
C. Rather to
The plane ……………. (take off) tomorrow at 9 o’ clock.
A. will take off
B. is taking off
C. take off
D. takes off
Past Continuous › View
Wh- + S + V_ing + O?
This is past continuous ______________ .
A. Wh- question
B. Yes/No question
C. Negative sentense
D. Affirmative sentense
