[ Modal Verbs ]
I ___ lock my dog in the kitchen this morning, because I thought the snake could have attacked it.
A. must have
B. should have
C. must have
D. had to
Select your answer:
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Transitional WordsComparative and SuperlativesHave as verb and auxiliaryRelative Pronouns with PrepositionsModal Verbs and ConjuctionsModals and Adjectives (ed-ing)Grammar and AdverbsQuantifiers and ArticlesPassive with ModalsAdverbs of TimeOther quiz:
Grammar and Structure › ViewDid you say that you _______ here only three days ago?
A. came
B. had come
C. have come
D. come
Grammar and Vocabulary › View
The students are all under a great deal of ____ to do well in the exams.
A. pressure
B. pushing
C. tension
D. anxiety