[ Grammar ]
…….. warming is causing the polar ice caps to melt.
A. Global
B. Earth
C. World
D. International

Random Topics:
Linking VerbContrast Linking WordsCountable & Noncountable NounsAuxiliaries VerbPresent Perfect Simple and ContinuousWh-QuestionFuture Tense VerbInfinitive GerundSuperlative AdjectivesComparison and ModalsOther quiz:
Passive and Active Voice › ViewThey built this temple 3,000 years ago. This must ________ a great civilization.
a. have been
b. was
c. not have been
d. has been
Simple Present Tense › View
………….she run a lot?
A. do
B. does
C. is
D. are
Grammar › ViewI really appreciate your __________________ to help us.
A. to try
B. trying
C. have tried
D. trial
Vocabulary › View
This film will make you laugh:
A. comedy
B. musical
C. horror
D. thriller
E. science fiction
