[ Grammar ]
Dogs _____ as pets for centuries.
A. Were kept
B. Are kept
C. Have kept
D. Have been kept
Select your answer:
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Mix-Tenses › ViewWhile Peter ______, her brother is playing records.
A. is being reading
B. is reading
C. had read
D. has read
Simple Present Tense › View
How often ______ you play tennis?
A. do
B. are
C. is
D. play