—HowcanIimproveoralEnglish，Mr.White?—

问题详情：

—How can I improve oral English，Mr. White?

— ______oral English，you need to practice ________ as much as possible．

A．Improve，speaking       B．Improving，speak 

C．To improve，speaking  D．Having improved，speak

【回答】

C

知识点：动词和动词短语

题型：选择题