English is a language skill. Practice often will improve your language skill. You can practice often by talking English to yourself. Listen to yourself and hear how you sound. Watch CCTV Channel 9 English news broadcast. Watch the announcers speak and their mouth movements. Repeat what the announcers said. Compare your sound with the announcers' sound. Watch English DVD movie with subtitle turn on or off. Particularly when the movie characters speak slowly and facing the camera. Repeat the conversation to yourself. Compare your sound with the movie actors sound. Pause, go back, and repeat the same sentence. Most Po Tong Wah mother tongue speakers can improve their accent in the L and R sounds. Exercise words with R and L sound and listen to yourself, using programs such as 金山詞霸 to get learn the pronouncation. Try words such as road, lorry, wrong, etc. You can also listen to online radio in the internet. For examples, try this American National Public Radio www.npr.org and you can listen to the English news broadcast anytime.