【題目】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

【答案】B

【解析】

試題分析：考查非謂語。根據(jù)句子結(jié)構(gòu)，空格處應(yīng)用非謂語動詞形式。句子的主語the glass doors與動詞let的關(guān)系可判斷出是主動關(guān)系，要用letting作狀語，表示“玻璃門可以使自然光線從玻璃門照進來”，所以選B項。

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Hi, Chris,

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