He went to a seaside resort because he was keen on _____.

He went to a seaside resort because he was keen on _____.

A. windsurf

B. windsurfing

C. to windsurf

D. to windsurfing
Xem đáp án
B là đáp án đúng
Lời giải:
keen on + V-ing: thích thú, đam mê