[ Past Tense ]
How long …….. the book?
A. did you read
B. were you reading

Random Topics:
Types of PhrasesSentences vs Run-OnsInfinitives for reasonsZero ConditionalPresent Simple and Present ContinuousPast Perfect Simple TenseWish, Unless, If sentenceHow often - long - much - manyArticles and PrepositionsAnalogyOther quiz:
Grammar › ViewWhen ______ you start swimming in competitions?
A. did
B. does
C. do
D. have
Vocabulary & Grammar › View
You had better take an umbrella with you …….. it rains.
A. in case
B. for
C. so that
D. with a view