完成句子，按所给的汉语，用英语完成下列句子。
为了不误火车，我们已到达车站约半个小时。
________ , we have been at the railway station for about half an hour．
众所周知不良网站对青少年有负面影响。
It's well known that unhealthy websites ________．
完成句子：按所给的汉语，用英语完成下列句子。
这项调查是要了解青少年目前承受着多少压力。
The survey is make to find out ________ at present．
他的新作在上周的书展上并未得到任何关注。
________ his new book at the book show last week．
时间所乘无几，恐怕我们得尽快作出决定了。
There's little time left．I'm afraid we have to ________．
当那位歌手被问及婚姻问题时，她拒绝回应。
When the singer was asked about her marriage, she ________ to it．
电视机已经开了几个小时了。请把它关掉，好吗?
The TV set ________．Would you please turn it off?
汤米气喘吁吁地赶到了，他乘错了车。
Tommy ________——he had taken the wrong bus．
完成句子：
当表演开始时，人们高兴地拍手尖叫。
People ________ the performance began．
自从我12 岁时，就认识Amy的母亲。
I________ Amy’s mother ________ years old．