[ Tenses ]
How long ______ they ______ each other? ( to know )
A. do ____ know
B. have _____ known
C. have ______ been knowing
D. did _____ know
Select your answer:
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Other quiz:
Grammar › ViewBob ___ (watch) the news on TV every morning.
A. Watches
B. Is watch
C. Is watching
D. Watch
Grammar › View
_______ they sleep together?
A. Do
B. Does
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