He . . . . . . . . an airplane for 10 hours.
A. has flown
B. is flying
C. has been flying
D. will fly
Answer: Option C
This Question Belongs to Competitive English >> Grammar
Related Questions on Grammar
A. has flown
B. is flying
C. has been flying
D. will fly
Answer: Option C
This Question Belongs to Competitive English >> Grammar
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