[ 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:
Vocabulary & Grammar › ViewThis chemical is used to ____________ rats, and if children eat it by mistake, they might die.
A. produce
B. consume
C. poison
D. recycle
Gerunds & Infinitives › View
Would you mind ___________ me a newspaper?
A. buy
B. to buy
C. buying
D. buys
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
