Question

Judging from his face_______ there was a confident smile, we knew that he didn’t lose heart.

A．in which

B．from which

C．by which

D．on which

Answer 1

D

试题分析：句意：从他带着自信的笑容的脸上，我们知道他没有灰心。这里使用了定语从句，先行词是his face，定语从句中缺少的是on the face，所以用on which引导定语从句，选D。