单项选择题
When facing difficulties and obstacles,we should never act in a（）way.
A.constructive B.positive C.negative D.active
多项选择题 I have been to many countries.but I have never seen a building with such a（）design.
单项选择题 In only 30 years,the small fishing village has been（） into a modern city.
单项选择题 What would you expect to learn in the course?（）
