[ Preposition ]
He is familiar ___ the software.
A. of
B. on
C. at
D. with

Random Topics:
Relative & ModalsConjunctions & InterjectionsQuantifiers / Prepositions of Time and Comparative AdjectivesPast Simple VerbsVerb TensesTenses and ArticleAlthough / DespitePresent/Past/Past ParticplePast Tense, Recount Text, and Future TenseCommon ErrorOther quiz:
Verb Tenses › ViewWe couldn’t afford to keep our car, so we ______ it.
A. sell
B. sold
C. have sold
D. had sold
Present Tenses › View
She _________________ ten pages already.
A. has wrote
B. has written
C. writed
D. wrote
Determiners › ViewMy brother bought_________new shoes
A. any
B. some
Future Tense › View
Select the future progressive tense:
A. was taken
B. will be taking
C. will have been taken
