用所给词的正确形式填空。
1. The adventure (冒险者) gave a ________ (friend) smile to all those who came to greet him.
2. The soldiers were filled with ________ (angry) when they heard all the villagers had been killed
by the enemy.
3. They have ________ (success) in sending every one of the satellites into space.
4. In time of ________ (dangerous) man's brains work much faster than normal.
5. It was ten years ago that I made ________ with him.We have had a long ________ (friend).
6. An old ________ showed us around the ________ (science) Museum yesterday.
7. The old woman is much ________ than before.Now she is living ________. Today our life is
full of ________. (happy)
8. The teacher told us what the ________ change was in the ________ lesson.(chemical)
9. It was ________ of you to make such a mistake.You should be more ________ next time. (care)
10. The boy showed great ________ (brave) in fighting the enemy.