简述营养繁殖的缺点
It （）quite a few years （）the accused was declared innocent and set free． ["was；since","is；that","will be；when","was；before"]
被普通高等院校录取后，如何办理户口迁出？
正式权力具有以下几个特点（） ["上级委任","强制实施","不稳定性","等级式","成员授予"]
In fact Peter would rather have left for San Francisco than （）in New York． ["to stay","stayed","stay","having stayed"]
购买商品住房后，如何办理户口迁入？
