[ Tenses ]
While I … for a bus, I saw a terrible accident.
A. waited
B. was waiting
C. waits
D. wait

Random Topics:
Adjectives and PronounsPresent or Past TensesPrepositions after Verbs and AdjectiveAdverbial ClausesPresent Simple vs Past SimplePast Perfect vs Past SimpleConjunctions and PrepositionsArticles with Proper NounsPresent Perfect TenseVerbs: Will & Going toOther quiz:
Phrasal Verb › ViewWhat does “fill in” mean?
A. start a journey
B. complete a form
C. remove clothes
Grammar › View
The quality of online videos that teach English is ___________today than ten years ago.
A. worse
B. better
C. more good
D. more bad
Grammar › ViewBy 2050, I think we’ll all be flying cars to get around.
A. Right
B. Wrong
Present Perfect Tense › View
They have __________________ arrived.
A. Just
B. For
C. Since
D. Yet
