[ Passive Voice ]
when __________________tennis _______________?
A. was ________invented
B. is _____________invented
C. is ________________inventing
D. was being _____________invented

Random Topics:
Past Tense, Recount Text, and Future TenseWas and WerePreposition of DirectionInfinitive GerundAdverbs of Time and PlaceFuture Perfect vs Future ContinuousVerb Forms and PrepositionsArticles and DemonstrativesCausative VerbPhrasal VerbOther quiz:
Present Tenses › ViewI… to get in touch with her all morning, but I can`t find her anywhere.
A. try
B. am trying
C. have tried
D. have been trying
Passive Voice › View
Somebody has robbed the bank.
A. The bank has been robbed.
B. The bank is been robbed.
C. The bank have been robbed.