[ Present Perfect Tense ]
I (work) _____________ here for three years
A. have worked
B. has worked
C. is working
D. worked

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Present Perfect Tense › ViewHe __________ (work) at the company since 2010.
A. has been working
B. have been working
C. worked
D. was working
Independent vs Subordinate Clause › View
Before you go, would you please be sure to clean up the mess you make?
A. Independent
B. Subordinate
C. I’m not sure
Sam has sold his bike, __________ was really old.
A. who
B. where
C. which
Preposition and Preposition Phrase › View
The boy depends ____ his sister to take care ____ him.
A. to, to
B. on, about
C. to, with
D. on, of
