[ Grammar ]
I saw the accident while I __ to school this morning.
A. walked
B. was walking

Random Topics:
First ConditionalAdjective / Noun + to Infinitive-ing form and the to-infinitiveMixed Present TensesSimple Present and Present ContinuousPreposition and AdjectiveQuestion tag and + - AgreementThere is or There arePersonificationApostrophes and GrammarOther quiz:
Grammar › ViewWe _____ at a fancy restaurant tonight. Jason decided this yesterday.
A. is eating
B. are eating
C. eats
Tenses › View
The police arrested the thief.
A. Simple present tense
B. Simple future tense
C. Present continuous tense
D. Simple past tense