Do you want to enhance your spoken or written English? I'm Chenfu from clarksville and I can help you learn English better and quicker. I pride myself on taking personal interest in learners achieving their true potential.
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I graduated from the best university in Taiwan (National Taiwan University) with M.S. degree in electrical engineering and then got my PhD in applied math from Brown University.I taught undergraduate/graduate courses at Brown University and UCLA for various subjects such as probability theory, nonlinear control systems, and optimal stochastic control theory. As a retiree, now I work as a tutor at Howard Community College and as a substitute teacher at public school systems.Since that I know