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

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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:
Perfect Tenses › ViewShe ………. her bike for 3 years.
A. have had
B. has had
C. had have
Modal Verbs › View
You are not allowed to take photos in the museum.
A. You may take photos in the museum.
B. You should take photos in the museum.
C. You mustn’t take photos in the museum.
D. You needn’t take photos in the museum.
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