Unit 3 Under the sea
单句语法填空
1.Ordinary woman though she is， she tries every means to make people aware ___________ the importance of the environment protection.
答案：of
2.We were all ___________ （scare） to death when we found the ground was shaking last night.
答案：scared
3.The performer was waving his stick in the street， and it ___________ （narrow） missed the child standing nearby.
答案：narrowly
4.With economy developing at great speed，our city___________ （witness） quite a few changes in recent years.
答案：has witnessed
