our teacher entered the classroom with a smile _________.a.on his face b.being on his face c.in his face d.to be on his facea和B有什么不一样?为什么不能选b?

问题描述:

our teacher entered the classroom with a smile _________.
a.on his face b.being on his face
c.in his face d.to be on his face
a和B有什么不一样?为什么不能选b?

句子后面是状语

with 介词表伴随,对句意补充说明
with the door open
with the light off

B选项加上being多余了.