求以下关于九年级上册的5道英语填空题的答案.

求以下关于九年级上册的5道英语填空题的答案.
1）I was greatly frightened when a stranger suddenly a(开头字母）—— in front of me.
2)The pyramids in egypt are not n_____ wonders.they are man-made.
3)The temperature will be b_____ zero ,so it will be quite cold.
4)It's a natural law that the sun r_____ in the east and sets in the west.
5) The Great wall was built in a_____ China,more than 2,000 years ago.
感激不敬!