[ Relative Clauses ]
Fleming’s discovery of penicillin, ————–, had a major influence on the lives of people in the 20th century.
A. which was awarded the Nobel Prize
B. which awarded the Nobel Prize
C. that he was awarded the Nobel Prize
D. for which he was awarded the Nobel Prize

Random Topics:
Present Continous TenseSimple Past TensePerfect and Past TensesModals of Obligation and PermissionIELTS GrammarRelative ClauseGerundsMain Idea and Sentence StructureFormal & Informal WordsArticles and PrepositionsOther quiz:
Antonyms › ViewWhat is an antonym for in?
A. Dark
B. Black
C. Tall
D. Out
Grammar › View
She go to school every day. Fix the sentence!
A. She goes to school every day.
B. She going to schools every day.
C. She go to school every day.
Grammar › ViewThey ___________ to the concert last night.
A. go
B. are going
C. went
D. have gone
Grammar › View
-ing verbs show…
A. something is happening or was happening
B. growth
C. past tense
D. a state of being
