[ Modal Verbs ]
Passengers …….. check-in their bags before they fly
A. must
B. mustn’t
C. don’t have to
D. shouldn’t
Select your answer:

Random Topics:
Quantifiers, Countable and Uncountable NounsFirst Conditional SentenceUsed to - Would - TensesPast ParticipleTime Phrases-ed and -ing AdjectivesVerb Tenses and Past Participlesas...as, comparatives, superlativesPresent Simple QuestionsAction, Helping & Linking VerbsOther quiz:
Grammar › ViewCarol …………..abroad twice this year.
A. was travelling
B. travels
C. travelled
D. has travelled
Present Perfect Tense › View
You ….. not shopped in that market
A. Did
B. Has
C. Do
D. Have
