单项选择题

I'd like to ______ this old ear for a new model but I can't afford it.

A．interchange
B．exchange
C．replace
D．convert
<上一题 目录 下一题>
热门 试题

单项选择题
Every word processor we sell comes with a two year ______.
A．assurance
B．protection
C．security
D．guarantee
单项选择题
A role-play session is particularly useful in bringing together different ______ of teaching.
A．cords
B．fibres
C．threads
D．strands
相关试题