[ Grammar ]
What __________ you doing when the system crashed this morning?
A. are
B. is
C. was
D. were

Random Topics:
Present Simple ProgressiveModals and TensesSimple and Past TensesPassive Voice & Verb TensesConditionals Type IGerund vs InfinitiveNoun Phrases and AdverbialsPast Tense and Past ContinuousGrammar - SimilesPrepositionsOther quiz:
Subject-Verb Agreement › ViewThere (is, are) two classes of pure matter: elements and compounds.
A. Is
B. Are
Tenses › View
Choose the correct option to complete the gap.
He _______ his breakfast when the phone rang.
A. is having
B. was having
C. has
Comparative and Superlative Adverbs › ViewRene speaks ________________ of all the ESL students in the class.
A. most fluently
B. more fluently
C. fluentliest
Gerund › View
I learnt … when I was five years old.
A. swim
B. swiming
C. swimming
D. to swim
