[ Grammar ]
You _____ touch that! It’s dangerous.
A. have to
B. don’t have to
C. mustn’t

Random Topics:
Compliment, Congratulation, and HopeActive-Passive VoicesNoun ClauseSimple and Continuous TensesFuture Simple TenseContrastive ConjunctionGerunds & Infinitives + VocabularyVOCAB & GRAMMARAuxiliary ModalVocabulary and Verb TensesOther quiz:
Modal Verbs › ViewI had prepared dinner before I __________ to work.
A. went
B. was going
C. had gone
D. is going
Grammar › View
Painting is … interesting that I can pass the day without painting
A. So
B. Such