问题
选择题
The teacher asked the two students to discuss the question in a low voice______ they should bother the others.
A．so that
B．in case
C．in order that
D．now that
答案
答案：B
考查连词辨析。A以至于；B以防；C为了；D既然；结合句意可知B正确。句意：以防他们会干扰别人，老师让那两个学生小声讨论问题。