Dad does not understand Chinese, but mom knows a little Chinese. They live in Hong Kong and return to their hometown in Canada every summer vacation. When he first took Chinese online classes with me, Dennis was a gentle and shy five-year-old boy who was in kindergarten.His mothe···

爸爸不懂中文，妈妈略懂中文，家住香港，每年暑假回加拿大老家。刚跟我上中文网课时，Dennis是个性格温顺、腼腆的五岁小男孩，正在上幼儿园。