if you ____ change your mind, do let us know.A.should B.would C.must D.could应选哪 个,为什么?谢谢
问题描述:
if you ____ change your mind, do let us know.A.should B.would C.must D.could应选哪 个,为什么?谢谢
答
选A should有“万一”的意思,不要弄的太复杂