[ Perfect Tenses ]
His back hurt very much because he … all morning.
A. stood
B. was standing
C. had stood
D. had been standing

Random Topics:
Adverbs and Adverbial PhrasesGrammar (want to/ need to/ have to)Grammar: MorphologyActive & PassiveVerb and PrepositionPast Tense vs Present Perfect TenseVocabulary Spelling Grammar1st ConditionalDo not or Does notModals in the PastOther quiz:
Simple Present vs Present Progresive › ViewMy aunt _________ tomorrow.
A. comes
B. come
C. is coming
Modal Verbs › View
People should clean the surroundings always.
What is the modal verb used in the sentence above?
A. people
B. should
C. surroundings
D. clean
Vocabulary › ViewThe team is ___________ for their efforts in the project.
A. recognized
B. recognize
C. recognizing
D. recognition
Grammar › View
George and Nora are really nice. I like _____.
A. her
B. them
C. us
D. him