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:
Tenses › ViewThe boys are supposed to have finished their homework when we come home.
This means: we expect that…by the time we come home.
A. The boys are going to finish their homework
B. The boys will be finishing their homework
C. The boys will have finished their homework
D. The boys were finishing their homework
E. The boys finished their homework
Vocabulary › View
If your friend is ……. you have to be there for her and make her fell happy.
A. gloomy
B. famine
C. odds
D. perilous
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.