[ Simple Past Tense ]
Our professor . . . his research known by many people of the world.
A. Made
B. Make
C. Maked
D. Making
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Modal RequestsFinite and Non-Finite VerbTenses, Tag Questions, Phrasal VerbsActive-Passive VoicesConditional and SubjunctiveSimple and Past TensesAdverbs of Frequency & Simple Present TenseGrammar and Passive VoicePossessive NounsFuture - will / going to / present continuousOther quiz:
Verb To Be › ViewThey _____ students.
A. is
B. are
C. am
Grammar › View
______ they play football every day?
A. Are
B. Is
C. Do
D. Does