[ Tenses ]
Past simple, past perfect simple or past perfect continuous.
They ___ (train) all morning in the gym, which is why they ___ (be) exhausted.
A. had been training / were
B. had trained / had been
C. trained / had been being

Random Topics:
Adverb of FrequencyPast Simple Negative & QuestionsModals VerbsComparatives and Past Perfect TensePronouns ( Interrogative )Simple Present and Present ContinuousGrammar / PronounsVerb, Object, PrepositionSimple and Continuous Present TenseVerbsOther quiz:
Present Tense vs Past Tense › ViewMy brother ____________ to the gym every day.
A. goes
B. go
C. went
Grammar and Vocabulary › View
Had the grammar section of the test not been so difficult, Kay would certainly _______ it.
A. have passed
B. be passed
C. have been passed
D. pass
Grammar › ViewDo not drink that milk because it _________ gone bad.
A. has
B. have
C. had
Vocabulary › View
This model is an … of our original product, designed for younger children.
A. affordable
B. reverse
C. adaptation
