( 1 ) 幸福，高兴，快乐
1. She nodded __________ to show her appreciation.
2. Tears of __________ flowed down her cheeks.
3. He was __________ to be coming home.
4. The story has a __________ ending.

( 2 ) 伟大，非常，十分，巨大
1. This clearly showed Lenin's________ as a party leader.
2. I would __________ appreciate your help.
3. It was a __________ loss to us all.

( 3 ) 冻，冻冰，结冰
1. Salt water __________ at a lower temperature than fresh water.
2. The cold weather __________ the lake.
3. It's __________ in this room; can't we have a fire?
4. __________ foods have taken the place of tinned foods in many homes.

( 4 ) 惊吓，害怕，吓唬
1. She was filled with _________ at the sight.
2. Don't __________ him. he is telling the truth.
3. She was __________ to look down from the top of the tall building.
4. The __________ horse ran away from the fire.

( 5 ) 自由，随意，任性，免费，解放
1. Oil the wheel, then it will turn __________.
2. The little country will gain its _________ next year.
3. She was too __________ in her behavior.
4. She __________ the bird from its cage.

( 6 ) 愚蠢，傻子，愚弄，欺骗
1. Well, you've acted _________ and you'll pay for it.
2. Don't be so __________.
3. You look __________ in that dress.
4. A wise man changes his mind, a __________ never will.
5. He can't __________ her; she sees through him every time.

( 7 ) 飞, 飞行
1. They made a successful __________ across the ocean.
2. The new airplane __________ at twice the speed of sound.

( 8 ) 解释，说明
1. He made up a wonderful story to __________ his absence.
2. Is there any __________ for his strange behavior?

( 9 ) 期待，预计
1. The result was beyond my __________.
2. Do you ________ me to stay after that?

( 10 ) 失败
1. So I suppose the peace move has __________.
2. This work met with the same __________


答案：
( 1 ) 1. happily 2. happiness 3. happy 4. happy
( 2 ) 1. greatly 2. great
( 3 ) 1. freezes 2. froze 3. freezing 4. Frozen
( 4 ) 1. fright 2. frighten 3. frightened 4. frightened
( 5 ) 1. freely 2. freedom 3. free 4. freed
( 6 ) 1. foolishly 2. foolish 3. foolish 4. fool 5. fool
( 7 ) 1. flight 3. flies
( 8 ) 1. explain 2. explanation
( 9 ) 1. Expectation 2. expect
( 10 ) 1. failed 2. failure