[ Tenses ]
_______ while my sister was doing her homework.
A. I had read a book
B. I was reading a book
C. I have read a book
D. I am reading a book

Random Topics:
CommasPunctuationswould should couldNoun and PronounVerb Tenses (Progressive, Perfect)Present Perfect Simple and ContinuousConditional Sentence Type 2 and Type 3Countable and UncountableRun-On SentencesConnectorsOther quiz:
Grammar › View
A. Carpenter
B. Cook
C. Waiter
Future Tenses › View
Create a sentence in the future simple tense.
A. I will be going to the market.
B. I will go to the market.
C. I have gone to the market.
D. I am going to the market.
Grammar › ViewIf you — the red button, you — the download.
A. click, will cancel
B. had clicked. would have canceled
C. clicked, would cancel
Grammar & Vocabulary › View
Why does a proper noun get capitalized?
A. It starts a sentence.
B. It is the name of a person, place, or thing.
C. Alexander Graham Bell
D. It doesn’t.
