[ Grammar ]
Your immune system works more __________ when you get enough rest.
A. calmly
B. effectively
C. calm
D. effective

Random Topics:
Tenses and Word FormationMix-TensesSimple PresentAdverbs and Time ExpressionsFigurative Language VocabularyTenses and Passive VoiceIF CLAUSEGrammar - Future ActionCountable & Noncountable NounsSentence and FragmentOther quiz:
Present Continuous › ViewI can’t talk to you right now because I ___.
A. am study
B. are studying
C. am studying
D. study
Articles › View
Choose the correct article: “She has ___ unique talent.”
A. a
B. an
C. the
D. no article
Phrasal Verbs › ViewA man was knocked ______ by a car and taken to hospital.
A. over
B. out
C. down
Modal Verbs › View
Identify the modal verb in the following sentence: “She could have been more careful with her words.”
A. could
B. have
C. been
D. careful