—HowcanIimproveoralEnglish，Mr.White?—

問題詳情：

—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

知識點：動詞和動詞短語

題型：選擇題