[ Grammar ]
A dolphin is a mammal, ___ lives in the sea.
A. which
B. whom
C. who
D. that

Random Topics:
Modal Verbs and AdviceGrammar Double Object VerbsTemporal Conjunctions and ConnectivesTimeSimple and Continuous Present TenseGrammar Present Perfect (ever never)Comparative AdverbConditional Sentencetoo / enoughSubject and Verbs AgreementOther quiz:
Vocabulary › ViewA person that combines land, labor, and capital to start a business
A. Capital
B. Consumer
C. Entrepreneur
Gerunds › View
Identify the gerund phrase.
The frowning artist was thinking of painting my house.
A. frowning artist
B. was thinking
C. artist was thinking of painting
D. painting my house
