[ Tenses ]
Complete the sentence to focus on the duration of the activity before the past event: He was tired because he _____ the entire house by himself.
A. cleaned
B. had cleaned
C. had been cleaning
D. was cleaning
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during, for, whileComperative and SuperlativeUnless If First ConditionalHave toTravel VocabularyGrammar and EssayTo Infinitive or Bare InfinitivePresent, Past and Future TenseAsking and Giving OpinionGoing To Be and WillOther quiz:
Pronouns and Subject Verb Agreement › ViewIt________ cooler this evening.
A. seem
B. seems
Perfect Tenses › View
Form the past perfect tense of the verb ‘go’.
A. goed had
B. had went
C. went had
D. had gone
Gerund or To Infinitive › ViewI always eat breakfast before ________ to school.
A. Going
B. To go
C. Go
D. Goes
Subject Verb Agreement › View
The build-up of gases in the air from burning large tracts of forest ______ to global warming.
A. contributes
B. contribute