[ Subject-Verb Agreement ]
There (is, are) two classes of pure matter: elements and compounds.
A. Is
B. Are
Select your answer:
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Past Tense vs Present TenseVerbs & Verb TensesSimple Present & Present ProgressivePassive Voice Active VoicePersonal PronounPreference & Future TenseHave GotSentence or Sentence FragmentConjunctions - ConnectorsGrammar & VocabularyOther quiz:
Past Perfect and Past Perfect Continuous Tense › ViewI assumed you ________ paying for the repairs until the end of last year.
A. have been
B. are being
C. had been
D. was been
Grammar › View
I always keep my phone switched on ___________ miss a call.
A. so as not to
B. so as to
C. in order that
D. so that