[ Modal Verbs ]
When we arrived at the gate, we ______ show our passports.
A. must
B. had got to
C. had to

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Present SimplePhrase or ClauseNarrative, Past TensesVocabulary and Verb TensesExpressing Obligation and ModalsPassive Voice in Past Simple TenseTense,noun,preposition,quantityModal Verbs & Perfect InfinitiveConnectorsGerunds as objects of prepositionOther quiz:
Modals › ViewYou are overweight . You ___ do exercise
A. should
B. can
C. may
D. will
Second Conditional › View
If it didn’t rain, I …………………. to work.
A. would walk
B. walk
C. walks
D. walked
Grammar › ViewMuch of that Styrofoam _(end/ends)_ up polluting the oceans and killing sea turtles.
A. end
B. ends
Grammar and Vocabulary › View
The match went ahead ________ the rain.
A. in case of
B. in spite of
C. even though