picture,is,the,new,three .
根据句意,用括号中所给词的适当形式填空,
To better understand the habits of elephants, the government spent a lot of money doing (科学研究).
I was feeling cold outside but warm inside, while the (北风) was blowing hard.
Without an (身份证), you can't go anywhere in today's world.
I agree. It's of great use.
With great courage and effort, Liu Chuanjian, a national hero, (success) landed the plane, saving over 100 people.
I have been running into a lot of troubles these days.
Take it easy. Problems and (worry) are normal in daily life.