選擇最佳*填空。—Willyoupleaseshowmehowtodotherole-playexercis...

問題詳情：

選擇最佳*填空。

—Will you please show me how to do the role-play exercise?

  —Sure. Now let me tell you _____ first.

 A. which to do                              B. how to do

 C. when to do                               D. what to do

【回答】

D

知識點：相似 相近詞比較

題型：選擇題