[ Grammar ]
Transfer this Active Voice sentence into the Passive one:
“The discovery of Pluto took place in 1930.”
A. Pluto was discovered in 1930.
B. Pluto is discovered in 1930.
C. Pluto has been discovered in 1930.
D. The discovery of Pluto was taken place in 1930.

Random Topics:
DescriptionsGrammar speak,talk,say,tellPresent Tenses and ConnectorsSimple PastRelative Clauses PronounsGrammar Present Perfect (ever never)Gerund NounIndirect SpeechV-ing/to-VModals of Necessity and SuggestionOther quiz:
Verb Tenses › ViewThe last time I saw her was a week ago.
A. I haven’t seen her for a week.
B. I haven’t seen her since a week.
C. I have seen her for a week.
D. I have seen her since a week.
Modal Verbs › View
I ___________ hear you very well. You ____________ shout.
A. may/don’t have to
B. can/don’t have to
C. should/mustn’t
D. ought to/can’t
