[ Grammar ]
Jack and Sue could have helped you,
A. didn’t they?
B. could they?
C. couldn’t they?

Random Topics:
Infinitive FormsPresent Perfect vs Past Simple TenseVerb PatternsAdjectives or AdverbsPresent Continuos Tensemust/shouldSingular and Plural NounsIf ClausesPast Perfect Tense and Past TenseGerund & ParticipleOther quiz:
Tenses › ViewFill in the blank: I ___ (to start) my new job next week.
A. started
B. start
C. will start
D. am starting
Vocabulary, Adjective & Preposition › View
They are reliant __________ technology for their daily work and communication.
A. about
B. at
C. of
D. on