[ Tenses and Structure ]
Combine the tenses: ‘While I (to walk), I (to see) a dog.’
A. While I walked, I saw a dog.
B. While I was walking, I was seeing a dog.
C. While I was walking, I saw a dog.
D. While I walk, I see a dog.

Random Topics:
Conjunctions & Cohesive DevicesTenses and Verbsand, so, but, becauseAdverb & Compound SentencesGrammar - Compound SentencesPast Simple & Past PerfectGrammar and Sentence CorrectionFuture - will / going to / present continuousGrammar on ConditionalsModal Auxiliaries and To Be VerbsOther quiz:
Grammar › ViewI am sorry to have upset you. I ___________have said that.
A. should
B. shouldn’t
C. shall
D. shall not
Future Tenses › View
I’ll ask him what he ___ for lunch.
A. are having
B. would have
C. should have
D. will have