[ Auxiliaries Verb ]
Passengers ……………… not smoke inside the bus.
A. Will
B. Should
C. Must
D. Would

Random Topics:
Linking Verbs and TensesFirst ConditionalsTo Infinitive or GerundArticle the or zero article (-)Quantifiers & Modals of ObligationModal Verbs and Contrastive ConjunctionsPrepositional PhraseSimple Tenses in EnglishSubject Verb Agreement and Verb TensesAsking and Giving SuggestionOther quiz:
Grammar › ViewShe often ____ a big breakfast but today she____only a glass of milk.
A. has/ is having
B. was having/ had
C. had/has
D. had had/ is having
Grammar › View
John’s a … listener.
A. patiently
B. patience
C. patient
Present Perfect Tense and Simple Past Tense › ViewShe hasn’t_____ a holiday in the mountains _____ 2019.
A. have/ since
B. has/ for
C. had/ since
D. had/ for
Modals of Obligation › View
Complete the sentences with the correct form of the modals and verbs in parentheses:
Companies ___________ (must / promise) customers products they cannot build.
A. must promise
B. mustn’t promise
C. musts not promise
