[ Grammar ]
I ___ my best friend since childhood.
A. know
B. knew
C. have known
D. knowing
Select your answer:

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Future Tenses › ViewWhat are the time expressions commonly used with future tenses?
A. in a year
B. last month
C. Common time expressions used with future tenses include ‘tomorrow’, ‘next week’, ‘in a month’, ‘soon’, and ‘later’.
D. yesterday
Tenses › View
He’s worked for this company ………. many years.
A. since
B. for
C. in
D. at
