[ 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:
Subordinating Conjunctions and Clauses › ViewWhich of the following is a subordinating conjunction?
A. And
B. But
C. Or
D. Because
Grammar and Vocabulary › View
. I think I _______ visit my grandmother this weekend.
A. will
B. am going to
C. was
D. do
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