[ 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:
Modal Verbs › ViewYou’ve got plenty of time. You ________ hurry.
A. shouldn’t
B. needn’t
C. can’t
D. must not
Tenses › View
When … you … home yesterday?
A. do … come
B. did … come
C. have … came
D. was … coming
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
