A. on
B. at
C. in
D. to
Answer: at
Fill in the blank: He sat ___ his desk and worked.
Additional Information: 'At his desk' refers to a specific location.
Subjects: Prepositions, Parts of Speech
A. on
B. at
C. in
D. to
Answer: at
Additional Information: 'At his desk' refers to a specific location.
Subjects: Prepositions, Parts of Speech