【C5】A．reverseB．differentC．sameD．similar

A． distinguishedB． differentC． protectedD． isolated

A．equalB．differentC．unprecedentedD．fast

【C14】A．reverseB．transferenceC．liftD．shift

材料题请点击右侧查看材料问题 查看材料A.reverseB.relevan

【C5】A．differentB．equalC．sameD．cheap

Since ／p／ and ／b／ are phonetically similar, occur in the same environments and they can di