[ Modals with Perfect Infinitive ]
Nobody knows exactly why he died. But we think it ___ have been an accident.
A. might
B. should
C. can
D. must
Random Topics:
Past and Present Continuous tenseLexico and GrammarConjunctions & Cohesive DevicesNoun QuantifiersIdentifying TensesHelping and Linking VerbsArticleModal Verbs and Contrastive ConjunctionsSentence Fragments and Complete SentencesAdjectives or AdverbsOther quiz:
Grammar › ViewWe _____ them for over ten years
A. have known
B. know
C. have been knowing
D. are knowing
Present Continuous Tense › View
_____________________ a movie now?
A. Is he watching
B. Does he watching
C. Are he watching
D. Is he watch
Subject Verb Agreement › ViewThe teacher, along with her students, (goes/go) on a field trip.
A. go
B. went
C. goes
D. going
Adverbs or Adjectives › View
Which word is an adverb?
A. slowly
B. pretty
C. sticky
D. funny