Topics: Present Perfect Tense
I (know) his mother since I (be) 5 years old because she was my neighbor.
A. have known – be
B. have known – was
C. knew – was
D. knew – were
Select your answer:

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Simple Tenses › View_____ you (do) your homework yesterday?
A. Do / did
B. Did / do
C. Do / do
D. Did / did
Grammar › View
They have been in quarantine _______ 14 days.
A. since
B. for
C. yet
D. already
