[ Modal Verbs ]
They __________ (could / must) have taken the wrong train.
A. must
B. will
C. could
D. can
Random Topics:
Modals, Phrasal Verbs, Gerunds and InfinitivesClause Markers TOEFL GrammarSecond and Third ConditionalAbilityHave to/Has toHope, Thank, Modal VerbsAdverbial Clauses of Manner and ResultRelative Clauses with who and whichPresent Perfect and Present Perfect Progressive TensesSimple Compound and Complex SentencesOther quiz:
Tenses › ViewThe cat always ____________ milk.
A. drinking
B. drink
C. is drinking
D. drinks
Vocabulary › View
Which of the following words is a verb?
A. Abate
B. Acquisition
C. Abysmal
D. Abandon
General Knowledge › ViewWhat do Americans call a cashier?
A. Moneyman
B. Bearer
C. Teller
D. Peon
Grammar › View
Encik Bahrin looks very ____________ in his business suit.
A. rude
B. clever
C. amateur
D. professional