[ 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:
Past and Future Tenses › ViewUse the future progressive: In three hours, they ________ a marathon.
A. will run
B. will be running
Tenses › View
She isn’t here.
A. Past Simple
B. Present Continuous
C. Future Simple
D. Present Simple
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
