[ Past Perfect or Past Perfect Continuous ]
After they ________ the door, they saw that awful mess.
A. had opened
B. had been opening
C. had open
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Indefinite and Definite ArticlesPast Simple & Past ContinuousIntermediate GrammarNouns, Pronouns, Antecedents, and Singular and PluralPresent and Past Simple TenseAuxiliary and Modal VerbsQuantifiers and AdjectivesSimple Past Tense (was/were)Linking Words and ConjunctionFamily Vocabulary and GrammarOther quiz:
Modal Verbs › ViewThe next test is very important, I … study harder if I want to pass it:
A. must
B. can
C. can’t
D. may
Grammar › View
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working
Grammar › ViewSome people like adventurous vacations, while .
A. others go to Montreal
B. others prefer relaxing on a beach
C. group tours are good, too
Modal Verbs › View
We … to take the rubbish out every evening.
A. should
B. ought