[ Tenses and Voice ]
What is the linking verb in the sentence: “He is a doctor.”?
A. He
B. Doctor
C. Is
D. A

Random Topics:
Simple PastUse of Prepositions or ConjunctionsAsking & Giving OpinionGerundProverbsPast Perfect & Past SimpleComparison & Modal Verbs in Passive VoiceGrammar : Must (Necessity)Verb Tenses (Progressive, Perfect)Transitional Phrases and ConjunctionsOther quiz:
Tenses › View. They (not deliver) our new refrigerator yet, but they will any day now.
A. has not delivered
B. did not deliver
C. have not delivered
D. did not delivered
Relative Pronouns › View
T.Aon knows a man ……… sister works for the president.
A. who
B. whose
C. that