[ Tenses ]
Which of the following sentence is correct?
A. Mary was reading a book when I came in.
B. Mary was read a book when I came in.
C. Mary was reading a book when I was coming in.
D. Mary was reading a book when I was came in.

Random Topics:
Mixed ConditionalAdverbsSimple TenseLinking Words & Phrasesgoing toSimple Past Tense and Present Continuous TenseAdjectives and VocabularyVerb BEFuture Tense VocabularyPronouns and Subject Verb AgreementOther quiz:
Preposition after some Verbs › ViewMy husband specializes _______ computer software.
A. for
B. about
C. in
D. of
Parts of Speech › View
What did she ask you to do?
A. Preposition
B. Preposition
C. pronoun
D. Adjective
Un/in/im/dis mean
A. under
B. not
C. wrong
Grammar › View
The castles ___________ as homes by kings and queens.
A. was used
B. were used
C. is used
D. are used