1 . 以锡兰(今斯里兰卡)为中心的一条横跨海洋的贸易路线沿印度洋海岸延伸。
A trading route across the sea was also ______ ______ the coasts of the Indian Ocean, centered around Ceylon (now Sri Lanka).

2 . 在雨季，雨水沿着水道从山上流下来，流入梯田。(强调句型)
During the rainy season, _________________rainwater moves down the mountains and into the terraces.

4 . A far cry from the bright lights and shiny courts of the National Basketball Association(NBA), ________(就是沿着这条路) Stephen’s grandfather built a simple basket by attaching a piece of plastic to a telephone pole.（强调句型）（根据汉语提示完成句子）

6 . 沿着古老的“丝绸之路”旅行是一次有趣、有意义的经历。
________ is an interesting and rewarding experience.

8 . 她沿着河堤边走边唱着一首流行歌曲。
While ________ ________ ________ ________ ________, she was singing a pop song.

10 . Peter, come ________ and join in the ball game. (用适当的词填空)