[ Past Tenses ]
Helen was feeling very tired when she finished because she ___ all day.
A. had been studying
B. had studied
C. was studying
D. studied

Random Topics:
Vocabulary, Adjective & PrepositionAuxiliary ModalGrammar - too & enoughPossessive NounsTenses and ArticleRelative & ModalsHave to-ed or -ingGrammar - Present and Past PassiveInfinitive and GerundOther quiz:
Grammar › ViewHe could read a book when he was five, ________
A. could he?
B. did he?
C. couldn’t he?
D. didn’t he?
Conjunctions › View
I love ice cream, _______ this would taste awful. There is no way I would eat this!
A. and
B. so
C. but
D. yet
Grammar › View ___you___go home after our English class?
A. Are/are
B. Do/will
C. Are/going to
Relative Clause › View
Mary Rogers, …………….. new book I have just finished reading, is a famous writer.
A. who
B. that
C. whom
D. whose