Fill in the gaps with words or phrases given in the box . Change the form where necessary. Brazilian decrease cause popular single 1 . Population growth is _ decreasing _ by 1.4 % each year. 2 . The difficult driving conditions ______ several accidents. 3 . Walking is a ______ form of exercise in Britain. 4 . He's been _______ for so long now, I don't think he'll ever marry. 5 . This song by the _____ composer Antonio Carlos Jobim first became famous in the early 1960s.

步骤 1：理解题意
题目要求我们根据给定的词汇和短语，填入空白处，使句子完整。同时，如果需要，要改变词汇的形式。

步骤 2：分析每个句子
1. Population growth is _ decreasing _ by 1.4 % each year.
2. The difficult driving conditions ______ several accidents.
3. Walking is a ______ form of exercise in Britain.
4. He's been _______ for so long now, I don't think he'll ever marry.
5. This song by the _____ composer Antonio Carlos Jobim first became famous in the early 1960s.

步骤 3：选择合适的词汇并调整形式
1. Population growth is _ decreasing _ by 1.4 % each year.
- 人口增长每年减少1.4%。这里需要使用动词的现在分词形式，表示正在进行的动作。
2. The difficult driving conditions ______ several accidents.
- 艰难的驾驶条件导致了几起事故。这里需要使用动词的过去式，表示过去发生的动作。
3. Walking is a ______ form of exercise in Britain.
- 在英国，步行是一种流行的锻炼方式。这里需要使用形容词，描述步行的性质。
4. He's been _______ for so long now, I don't think he'll ever marry.
- 他单身已经很久了，我认为他永远不会结婚。这里需要使用形容词，描述他的状态。
5. This song by the _____ composer Antonio Carlos Jobim first became famous in the early 1960s.
- 由巴西作曲家Antonio Carlos Jobim作曲的这首歌在20世纪60年代早期首次成名。这里需要使用形容词，描述作曲家的国籍。