[ Grammar ]
– “When_______?” -“In 1928.”
A. penicillin was discovered
B. penicillin discovered
C. was penicillin discovered
D. did penicillin discover
Select your answer:

Random Topics:
Types of PrepositionMiscellaneous Grammar UsagesPrepositions of MovementSubordinating ConjunctionSimple Future - WillPersonificationPronounPronunciationAction vs Linking Verbs/ Verb PhrasesModals for ObligationOther quiz:
Present Tenses › ViewMark hasn’t fallen for anybody yet.
A. Present Simple
B. Present Perfect
C. Present Continuous
D. Present Perfect Continuous
Grammar › View
She is a talented singer. She is also a good dancer. (Use: Not only…but also)
A. She is not only a talented singer, she is also a good dancer.
B. She is both a talented singer and a good dancer.
C. Not only she is a talented singer, but she is a good dancer.
D. She is not only a talented singer but also a good dancer.
