[ Modal Verbs in Emergency Situations ]
You ______ wash your eyes for at least 15 minutes if chemicals enter them.
A. must
B. mustn’t
C. don’t need to
D. should not
Random Topics:
TOEIC GrammarVocabulary, Grammar, SpellingModal Verbs for Permission and ObligationModal AuxiliaryUnscramble SentenceMix-TensesConditional Sentences Type 0, 1 and 2Active vs. Passive VoiceCoordinating Conjunctions and Comparative AdjectivesIndependent ClausesOther quiz:
Gender and Grammar › ViewWhich sentence contains no helping verb?
A. He was walking to school.
B. I can solve this problem.
C. The train arrives at 5 PM.
D. They have finished their homework.
Tenses › View
By the time you arrive, I ____ the report.
A. will have completed
B. completed
C. have completed
D. completing
E. completes
Simple, Compound, Complex Sentences › ViewUnless you work hard, you will fail.
A. simple
B. complex
C. compound
Grammar › View
_____ was driving the red car was not responsible for the accident.
A. Whom was
B. Who was
C. The person whom
D. The person who