[ Tenses ]
He hurt his knee while he ___ fast.
A. run
B. ran
C. was running
D. is running

Random Topics:
Grammar: Adjectives & PrepositionsFuture Tense - will and going towill, be going to, would like toSimple Present & Present ProgressiveComparatives or SuperlativesTenses and StructuresPresent Perfect, Present Simple, Present ContinuousPast Simple, Past Continuous, Past PerfectComparisonPersonal PronounsOther quiz:
Grammar › ViewI didn’t ____ as much when I was younger as I do now.
A. used to reading
B. used to read
C. use to read
D. use for reading
Present and Past Tense › View
I ___ at school yesterday. (not / be)
A. was not
B. were not
C. is not
D. are not
Modal Verbs › ViewYou _________ enter the doctor’s room now.
A. may
B. might
Prepositions › View
Find the OBJECT OF THE PREPOSITION:
That car drove around the block a hundred times!
A. around
B. block
C. times
D. car
