[ 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 › ViewThe earth ____________ (revolve) around the sun, which is why we ____________ (experience) different seasons.
A. has revolved / have experienced
B. is revolving / are experiencing
C. revolves / experience
D. will revolve / will experience
Modals › View
Tomorrow is the big day! Allina, Rohan, and Ava are all excited. Allina ____ take part in the thrilling competition. Can you guess what she will do?
A. can
B. could
C. will be able to
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