完成下列句子（10%）
1. 不久以后第一个工人联盟形成了.
It was not the first workers’ league .
2. 我们应该对中国人口老龄化问题引起注意,它对整个社会产生很大影响.
We should our to the aging population in China, which will
a great the whole society.
3. 他总是很守信用,可到现在他却不见人影.
He always , but he hasn’t so far.
4. 有些学生假装知道了他们不知道的东西.这是有害的.
There are some students what they don’t really know, which is to them.1.long before; came into being 2. attract attention; have effect on
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(答案→)1.long before; came into being 2. attract attention; have effect on
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