I prefer my English classes to be taught in English only．（授课形式一：只用英语）As we all know，a good learning environment is vital if we want to study English well．【高分句型一】Classes taught in English provide students with such an environment．When English is the only language used in the classroom，students will have more opportunities to practise listening and speaking．【高分句型二】Therefore，we will be able to learn more quickly．（优点）
 However，there are also some problems with this teaching method．As we haven't mastered enough English words，sometimes we may find it difficult to follow the teacher．【高分句型三】Slow learners may even lose interest in English．（缺憾）
 Practice makes perfect．To learn English well requires a lot of practice．【高分句型四】So，I like my English classes to be taught completely in English．（结论） I prefer my English classes to be taught in English only．（授课形式一：只用英语）As we all know，a good learning environment is vital if we want to study English well．【高分句型一】Classes taught in English provide students with such an environment．When English is the only language used in the classroom，students will have more opportunities to practise listening and speaking．【高分句型二】Therefore，we will be able to learn more quickly．（优点）
 However，there are also some problems with this teaching method．As we haven't mastered enough English words，sometimes we may find it difficult to follow the teacher．【高分句型三】Slow learners may even lose interest in English．（缺憾）
 Practice makes perfect．To learn English well requires a lot of practice．【高分句型四】So，I like my English classes to be taught completely in English．（结论）