An application form will be sent to you ________.A.on request B.on a request C.in request

问题描述:

An application form will be sent to you ________.
A.on request
B.on a request
C.in request

A
on request
承索(即寄等)
in great request (=much in request)
人们非常需要, 大众非常喜爱

A
on request: 被索要
in request:被需求
这里是: 如果你索要,就寄给你申请。

A.on request:即寄 (固定搭配)
没有"on a request "的说法!

A