[ Modals ]
Your computer has got a virus. You ______ use it because it will destroy all your files.
A. must
B. have to
C. don’t have to
D. mustn’t

Random Topics:
Present PerfectConditional Sentence Type 1ConditionalPrepositions after Verbs and AdjectiveSimple Past Tense & Future TenseAdjectives and ArticlesModals VerbDefinite and Zero ArticleSubject-Verb AgreementGrammar: Defining Relative ClausesOther quiz:
Tenses › ViewBy the time the teacher arrived, the classroom was empty; the students ….. .
A. left
B. had left
C. were leaving
D. have left
Past Tenses › View
We had already eaten when John ________ (come) home.
A. came
B. had come