我们为中国登山队再次成功登上珠穆朗玛峰顶而感到骄傲。
We ______________________________that the Chinese climbers reached the top of Mount Qomolangma again.
我们旅行时，安全是最重要的。
__________________________________ while we are travelling.
这个工厂一直把垃圾倒在河里，但现在已经有了很大的改变。
The factory __________________________________, but now it has changed a lot.
她太激动了，以至于一直哭着，说不出话来.
She was so excited _______________________________________________________.
杰克喜欢表演并已成功扮演了一位推销员的角色。
Jack likes acting and he __________________________________ a salesman successfully.
我不能冒险让他独处，即使是一会儿。
I couldn’t____________________________________, even for a short time.