[ Must and Might Modals ]
Select the sentence that best expresses uncertainty about the past.
A. They must have arrived already.
B. They might have arrived already.
C. They have arrived already.
D. They will have arrived already.

Random Topics:
Synonyms and VocabularyGrammar for IELTSClauses and GerundsPrepositions - ConjunctionsSimple and Continuous TensesPronouns, Sentence Structure, and Figurative LanguageTime ExpressionsReported speech (statements)Opinion / AgreementGrammar and StructureOther quiz:
General Knowledge › ViewWhat single color is the most popular for the world’s flags?
A. Blue
B. Red
C. White
D. Green
E. Pink
Grammar › View
Susan ___ very hard.
A. work
B. works
Vocabulary › ViewWhat is the meaning of “Vindictive”?
A. Something intended to harm or hurt
B. Motionless; unable to move or act
C. A home
D. To pull in or back
Adverbs of Manner › View
If you don’t eat …………………………. at breakfast, you’ll feel hungry before it’s lunchtime.
A. really
B. not enough
C. enough
D. too
