[ Present and Past Tenses ]
It started to snow while we … to school.
A. had walked
B. have walked
C. have been walking
D. were walking

Random Topics:
Conditionals Type IWill or Going toPresent/Past/Past ParticpleGrammar TOEFLConditionals 1,2,3Active-Passive VoicesModals for RecommendationsSuperlative AdjectivesAdjectives & PrepositionsConditionals and Modal VerbsOther quiz:
Verbs and Prepositions › ViewWhich preposition correctly completes the sentence: “She worries _ her final exams.”
A. about
B. with
C. on
D. for
Grammar › View
Dr. and Mrs. Kwan ________ visited Spain _______ made stops in Paris and London.
A. both, and
B. not only, but also
C. either, or
D. neither, nor
to MEET
A. Ment
B. Meet
C. Met
Tenses › View
He hasn’t written a letter yet.
A. Future Simple
B. Present Perfect
C. Past Simple
D. Present Continuous
