[ Tenses ]
William … his grandparents last weekend.
A. visit
B. visits
C. visited
D. will visit

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Tenses - AuxiliariesGrammar - FragmentsPassive Voice and Relative ClausesMust or Mus notUnless If First ConditionalPossesive Pronouns and Modals of AbilityLanguage Features: Reflective ArticleConditionals and Modal VerbsTensesRequest with Modal VerbsOther quiz:
Vocabulary › Viewa relatively calm gap; quiet period; stillness; silence
A. lull
B. haggard
C. jugular
D. trance
Conjunctions › View
Which subordinating conjunction can be used to introduce a reason in a sentence related to marine engineering?
A. therefore
B. because
C. since
D. although