[ Grammar ]
While I ___ in the park yesterday, I saw an old friend.
A. walk
B. am walking
C. walked
D. was walking

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Do / Have / Can - Basic QuestionsCoordinating ConjunctionVerbal and Appositive PhrasesPresent Perfect: for/sinceConditionalPast Tense vs Future TenseConjunctions - Conjunctive AdverbsThe First Conditional SentenceModal PerfectPresent Simple & ContinuesOther quiz:
Passive Voice › ViewThey are building a new highway around the city.
A. A new highway is being built around the city.
B. A new highway is being build around the city by them
C. A new highway around the city is being built.
D. Around the city a new highway is being built.
Mixed General Quiz › View
But I ____ it would be all right.
a. though
b. thought