[ Tenses ]
The computer _________ slowly since we installed the new operating system.
A. was running
B. has been running
C. will run

Random Topics:
Gerund after Prepositions and Certain VerbsVerbs and Subject Verb AgreementSimple Future - WillAdjective SuffixesPast Continuous TenseModals of Necessity and SuggestionGrammar - Present and Past PassiveWish, Unless, If sentenceDependent PrepositionRelative Clauses & Real ConditionalsOther quiz:
Grammar › ViewHow ______ money did you spend?
A. much
B. many
Grammar › View
He _________ english for 10 months/since last november
A. has been learning
B. had been learning
C. have been learning
D. none of these
Vocabulary › ViewThe………..worker was promoted to foreman.
A. slapdash
B. invalid
C. diligent
D. ill
E. unkind
Verbs and Subject Verb Agreement › View
The corners of the painting _____ crooked.
A. is
B. are
