[ 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:
Tenses › ViewPlease step out of the car, Mr. Jones. Do you realize you ………… at over 90mph?
A. are driving
B. were driving
C. drove
D. have driven
Grammar - direct/indirect objects › View
Identify the object of the preposition in the following sentence:
Janice and Carla spent the day at the mall.
A. Janice
B. Carla
C. day
D. mall
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