[ Modal Verbs ]
You ___________ show your passport at the check-in.
A. have to
B. don’t have to

Random Topics:
Modals with Perfect InfinitiveFuture Tense - will and going toApostrophes and GrammarEmployment VocabularyMixed Present TensesPassive Voice Present SimplePresent Simple and Present Continuous TensesQuantifiers MixCohesive DevicesAuxiliary WordsOther quiz:
Type of Sentences › ViewCan you make me something to eat?
A. Exclamatory
B. Declarative
C. Interrogative
D. Imperative
Adjectives and Adverbs › View
Katrina took a painting class, so she can paint _____ pictures.
A. beautiful
B. beautifully
Past Tenses › ViewI (not walk) for a long time, when it suddenly began to rain.
A. have been walking
B. had been walking
C. was walking
D. walked
Grammar › View
We _____________ some friends for lunch tomorrow at 1pm.
A. are going to have
B. having
C. are having
D. are going have