[ Passive Voice ]
when __________________tennis _______________?
A. was ________invented
B. is _____________invented
C. is ________________inventing
D. was being _____________invented
Select your answer:
Random Topics:
Grammar for TOEFLTenses and Sentence CompletionModal ProbabilityPast and Past ContinuousPhrasal VerbModal Verbs for Permission and ObligationPresent Simple VS ContinuousVerb PhraseFirst ConditionalsPast with ModalsOther quiz:
Vocabulary › ViewWhat does the root word Clar mean?
A. “clear”
B. “unclear”
C. “messy”
D. “clean”
Grammar › View
The weather …….. cooler and cooler.
A. is becoming
B. will be becoming
C. has become
D. becomes