I often pick up leaves in fall（改为单三、原句否、原疑、单否、单疑）
问题描述：
I often pick up leaves in fall（改为单三、原句否、原疑、单否、单疑）
答
三单：He/She often picks up leaves in fall.原句否：I don't often pick up leaves in fall./I seldom pick up leaves in fall.原疑:Do you often pick up leaves in fall?单否：He/ She doesn't often pick up le...