Following Christianity witnesses have to on the Bible to tell the truth.A. putB. dependC

问题补充：

Following Christianity, witnesses have to on the Bible to tell the truth.

A. put

B. depend

C. swear

D. agree

答案：

A. put

B. depend

(答案→)C. swear

D. agree

解析：词义辨析。Put放；depend 依靠；swear 宣誓，咒骂；agree同意。句意：按照基督教义，证人需要按着圣经宣誓来讲述真相。故选C。