[ Tenses ]
John ______ on the floor and hurt his leg when he rushed to answer the phone.
A. slip
B. slips
C. slipped
D. slipping

Random Topics:
Perfect and Past TenseModal Verbs - ObligationVerb TensesGrammar - Future ActionVerb Tenses and Past ParticiplesTenses and ComparisonsBasic TensesGrammar - First ConditionalTo Infinitive or GerundSimple Present VS Present ContinuousOther quiz:
Adverb › ViewMy brother often goes to bed ________
A. earlily
B. early
C. earlier
D. in a early way
Grammar Phrases › View
. “This quiz is harder than the others.” The adjective “harder” is___
A. superlative
B. comparative