[ Grammar ]
The increase in ………………………. gases in the Earth’s atmosphere worries many scientists since it contributes to climate change.
A. global
B. greenhouse
C. labour
D. inflation

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Conditional Sentence Type 1Present or Past TensesGerunds & Infinitives + VocabularySubordinating ConjunctionsPrepositional PhrasesPrepositions after Verbs and AdjectiveGrammar - help/have/let/makePast or Present Verb TenseFirst ConditionalSentence TransformationOther quiz:
Modal Verbs › ViewExcuse me, _____ you please pass the salt?
A. Must
B. Could
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What adverb is used in the sentence “She arrived just in time for the party.”?
A. Quickly
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