[ Grammar ]
Yesterday, Peter_________do that exercise alone. So, he called me for help.
A. could
B. couldn’t

Random Topics:
Modal SpeculationComparatives and SuperlativesConjunctive Adverbs and PunctuationVerb + Infinitive or GerundGerunds in SentencesHomophonesTenses and ConclusionsState Verbs and Action VerbsAdjective Clause and Adverb ClauseTenses and PronounsOther quiz:
Grammar › ViewShe ____ a dog
A. has got
B. have got
C. are
D. haves got
Vocabulary and Idioms › View
Many old people don’t like to change. They are very set in their____________.
A. lives
B. habits
C. routines
D. ways
Grammar › ViewHe speaks fluent/fluently because he is a talented translator.
A. fluent
B. fluently
Modal Verb › View
I’m afraid he’s not in at the moment. ______ I take a message
A. May
B. might
C. should
D. could
