Nowadays, most English teachers have widely applied the Communicative Language Teaching activities (the CLT activities) in English classrooms as a foreign language (EFL) because of their outstanding effectiveness. In spite of having many benefits for learning and teaching English, activities in CLT also have problems with mixed-level students, un-motivated students and large class sizes, as well as lack of language environment for foreign language acquisition. This article is about how to enhance the positive effect for the CLT activities by using technology equipment. In this article, the author reviews the crucial theory of the improvement effects for the CLT activities, and therefrom practical activities are designed to teach English speaking skills