問題詳情

1 In order to make a sensible ....... among the different vacuum cleaners available, it is important to do someresearch.
(A) comparing
(B) comparison
(C)compares
(D) comparative

參考答案

答案：B
難度：適中0.428571
統計：A(4),B(3),C(0),D(0),E(0)