[ Tenses ]
While the teacher was explaining the lesson, a student _______.
A. had fallen
B. fell
C. were falling
D. falls

Random Topics:
Mixed Present TensesPrepositions & Modal VerbsInfinitive and GerundsSimple Present and Past TensesVerb + InfinitiveGrammar: Have toDefinite and Indefinite ArticlesVerb Tenses (Progressive, Perfect)Indefinite and Intensive NounGerund or InfinitiveOther quiz:
Modal Verbs › ViewIf you have a sore throat, high fever and cough, you ___________ call a doctor.
A. may
B. could
C. need to
D. needn’t
Comparision › View
This is the ___________ book I have ever read.
A. interesting
B. more interesting
C. most interesting