[ Grammar ]
______ United States working on global warming?
A. Is
B. Are

Random Topics:
Verbs + Infinitives / GerundsRelative - ConditionalVerb Tenses and Subject Verb AgreementAdverbs and Adverbial PhrasesAdverbs or AdjectivesThe Future Simple TensePresent Simple x Present ContinuousHabitual and Continuous TensesVerb ConjugationGrammar and StructureOther quiz:
Vocabulary & Grammar › ViewThey ________ time and money doing such a thing.
A. were advised not to waste
B. were advising not to waste
C. advised not to be wasted
D. were advised not wasting
Third Conditional › View
They´d have passed their exams if they
A. studied harder
B. would study harder
C. had studied harder
D. hadn´t studied harder
Future Tenses › ViewIf you decide to come by this afternoon, don’t knock as I _______ in the back garden so I won’t hear you.
A. will probably be sitting
B. will sit
Tenses › View
John __________ (not like) studying English.
A. doesn’t like
B. didn’t like