[ Past Tenses ]
The children……………. their homework when I got home.
A. were doing
B. had been doing
C. had done
D. did

Random Topics:
Indefinite and Intensive NounModals with Perfect InfinitiveCommasWish, Unless, If sentencePerfect Tenses and VocabularyKnee AnatomyExclamationNoun PhrasesTemporal Conjunctions and ConnectivesSentence Structure and ConjunctionsOther quiz:
Prepositions › ViewThe boy is afraid ________ snakes.
A. of
B. on
C. in
D. about
Modal Verbs › View
She … have medical exams before her application is validated.
A. might
B. must
C. may
Grammar › ViewThis picture __________ the contamination of ground water.
A. illustrate
B. illustrating
C. illustrated
D. illustrates
Grammar › View
The children love animals. So, they are spending the holiday at the
A. Butcher’s
B. Book shop
C. Zoo
D. Pet shop
