[ Grammar & Vocabulary ]
Turning off appliances when not in use is a habit that saves energy, ______ makes a big difference over time.
A. which
B. where
C. what
D. that

Random Topics:
Grammar ErrorsTransitive or Intransitive VerbsFuture Tense VerbAdverbs of How Something is DoneAdjective ending with ED & INGVerb Tenses and AgreementBare Infinitive and To InfinitivePresent Simple ProgressivePassive Voice and ModalsExclamationOther quiz:
Future Tenses › ViewLook that boy on the tree! He ___!
A. is going to fall
B. will be going to fall
C. falls
D. will fall
Adjectives › View
People scored lower than they should because they didn’t complete their bubble sheet correctly.
A. scored
B. lower
C. bubble
D. correctly
Conditional Sentence › ViewIf you _______ as I told you, you _____ in such predicament now.
A. did – wouldn’t be
B. had done – had not been
C. do – would not be
D. had done – would not be
Preposition › View
Grace is sleeping _______ the sofa.
A. on
B. in
C. at
D. beside
