[ Articles with Substances ]
What ___ metal is the ring made of?
A. a
B. an
C. the
D. —
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Modals of ProhibitionVerb to beDependent PrepositionsConditionalsModals of ProbabilityParts of Speech and Compound SentencesModal, Causative Verb & Elliptical Structure�Put� Phrasal VerbTransition WordsVerb & GrammarOther quiz:
Conditional Sentences › ViewIf he _______ a word, he looks it up in his dictionary.
A. doesn’t know
B. knows
C. don’t know
D. won’t know
Present Perfect and Simple Past Tense › View
The local residents ___ about the rubbish dump many times to the authority, still no actions were taken.
A. are complaining
B. have complained
C. complains
D. complained