[ Grammar ]
Air pollution levels ___ dramatically since governments worldwide introduced stricter environmental laws.
A. decreased
B. is decreasing
C. decreases
D. have decreased
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Modals: Possibility, Necessity, ExpectationCoordinating and Subordinating ConjunctionsGrammar PhrasesModal Verbs and PermissionModal and Phrasal VerbsGiving and Asking for AbilityAdjectives and PrepositionsTransitional Phrases and ConjunctionsGrammar: Defining Relative ClausesConditional TypesOther quiz:
Grammar and Vocabulary › ViewI _______________ Lucy since last Friday.
A. didn’t see
B. haven’t seen
C. don’t see
Past Simple and Past Continuous Tenses › View
What is the past tense form of the irregular verb ‘have’?
A. haved
B. had
C. has
D. having
Grammar › ViewWhat ————- you —————–of this new TV?
A. are /thinking
B. is /thinking
C. were /thinking
D. do /think
Grammar › View
When did you ___________ your husband?
A. know
B. meet