[ Grammar & Vocabulary ]
No matter how hard he tried, he _______ stop thinking about what happened.
A. can
B. can’t
C. could
D. couldn’t
Select your answer:
Random Topics:
Present Simple x Present ContinuousRelative Pronouns with PrepositionsVerb ConjugationQuestion TagSentence StructuresPreposition and Preposition PhraseModal Verbs for PossibilityConditional Sentence 0, 1Conditional Sentences and Verb FormMust / must notOther quiz:
Conjunction › ViewWe should avoid oily food ____________ be healthy.
A. finally
B. in order to
C. consequently
D. for
Tenses › View
The greenhouse effect ____ rising temperatures today.
A. is causing
B. caused
C. causes
D. will cause