2 câu trả lời
`text{=>john has played the piano for ten years}`
`text{Giải thích:S+have/has+Pii+since/for}`
John began playing the piano ten years ago
-> John has been playing the piano for 10 years ( has played cũng ổn nè, nhưng has been playing nhấn mạnh thời gian nên mình nghĩ has been playing phù hợp hơn)
@linhhuong
