[ 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:
Vocabulary › ViewWhat is ‘Entrench’?
A. To firmly establish (an attitude, habit, or belief) so that change is difficult or unlikely.
B. To remove the inner organs of a body; metaphorically, to deprive of essential content.
C. The quality of being full of energy, excitement, and cheerfulness.
D. Pointlessness of uselessness.
Present Perfect Tense › View
The zoo keeper _______ food to all the animals.
A. has gave
B. have given
C. haven’t given
D. has given
Regular vs. Irregular Verb › Viewto 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
