1 . 上周，随着国际劳动节的到来，我们学校在中山公园开展了义务劳动活动，这给我们学生留下了难忘的印象。
Last week, with the coming of the International Workers Day, a voluntary labor was launched in Zhongshan Park by our school, ________________．

2 . 众所周知，青岛是一个非常美丽的城市，一年四季既不太热也不太冷。(neither...nor...)
As is known to us, Qingdao is a very beautiful city, ________________ all year round.

3 . 随着体育场的落成，各种体育赛事得以举行，包括从乒乓球、足球到赛跑不等。（which引导的定语从句）
With the stadium set up, all kinds of sports events are able to be held, ________.

4 . A cross­country running race was held with the aim of building up students’ health. (同义句转换)
→A cross­country running race was held, _________．(非限制性定语从句)
→_________, a cross­country running race was held. (分词作状语)

6 . 随着汽车和工厂的增加，大量碳气体排放，导致严重的空气污染，这对我们的环境造成了极大的危害。(分词短语作结果状语＋定语从句)
With the increase of cars and factories,________________, leading to serious air pollution,________________.