[ Modal Perfect ]
These two boys look identical. They ____________ twins.
A. must have been
B. must be
C. should be
D. should have been

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Adverbs of Time and PlaceFigurative Language VocabularyGrammar: was/wereHave to / Do not have toGrammar - much, many, a lot ofComparatives and ConjunctionsGrammar - Countable/ UncountableThe First Conditional (if/unless)TOEIC Tenses, VerbsFamily Vocabulary and GrammarOther quiz:
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He’s got my newspaper again, ___?
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