We had to leave quietly ________ disturb other people.

A.as so not to

B.so as not to

C.not so as to

D.so not as to
出自:河南师范大学-人力资源管理(专科)-大学英语Ⅰ

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块