[ 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:
The -ing Form of Verbs › ViewMaybe you should give up ____ this game because it takes too much of your time.
A. to play
B. playing
C. to playing
D. play
Noun, Pronoun, Adjective, Verb › View
Which of the following is an intensifier?
A. Too
B. Here
C. Today
D. Often
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.