Theglassdoorshavetakentheplaceofthewoodenonesattheentr...

問題詳情：

 The glass doors have taken the place of the wooden ones at the entrance, ________ in the natural light during the day.

   A. to let          B. letting               C. let            D. having let

【回答】

B

知識點：非謂語動詞

題型：選擇題