There are a number of things I like to do in my free time. They are my hobbies. The hobby I like most is (21) __________my guitar. My uncle, (22) _____________is an accomplished guitarist, taught me how to play. Now I can (23) _____________ a few simple tunes. I have even begun to sing while playing the guitar, but I have not been very successful (24)_______ this. My uncle tells me that all I need is to practise regularly and I should be able to do it. He is very good at (25) _________ people singing with his guitar and I admire him very much. 21. 1 điểm 21. A. played B. playing C. plays D. play 22. A. that B. who C. whose D. whom 23. A. plays B. play C. played D. be played 24. A. of B. at C. in D. about 25. A. to accompany B. accompany C. accompanying D. accompanied