Question

You can use a large plastic bottle, _____ cut off, as a pot to grow young plants in.

  A. the top is        B. the top of which

  C. whose top       D. with its top

Answer 1

D

解析:

分析句子結構可知，中間是個補充說明部分，可有以下表達方式：非限定性定語從句the top of which is cut off；whose top is cut off；介詞with的復合結構with its top cut off。