[ Tenses ]
Trisha ____ for three hours straight when her mother popped up to give her food.
A. was studying
B. had been studying
C. have been waiting
D. have studied
E. had studied

Random Topics:
Action, Helping & Linking VerbsGerund, Infinitive, Bare VerbTenses, Tag Questions, Phrasal VerbsVerb Forms and PrepositionsGrammar and Sentence StructureDemonstrative PronounsPhrase or ClauseModals in the PastDefinite pronouns (Subject, Object, Reflexive)Present Simple with Adverbs of FrequencyOther quiz:
Grammar › ViewDo you know what __________ animal in the world is?
A. slow
B. the slowest
C. slow as
D. slower
Vocabulary › View
What is a synonym for objective?
A. target
B. funny imitation
C. happy
D. scared
Conditional Sentences and Verb Form › ViewIf he ______ the truth, the police wouldn’t arrest him.
A. tells
B. told
C. had told
D. would tell
Modal and Auxiliary Verbs › View
Choose the modal that would show obligation and best complete the following sentence:
You ________________ always clean your room so your parents don’t have to do it!
A. Can
B. May
C. Should
D. None of the above
