十二层及十二层以上的单元式住宅，十一层及十一层以下的通廊式住宅应设置封闭楼梯间。
参考答案：错
.I was shocked to hear that your house_______into.
A．was breaking
B．had been broken
C．broke
D．has been broken
根据英文解释写出单词。
1．t ________: young people between 13-19 years old
2．b ________: not interesting
3．t ________: something unuseful
4．c ________: some housework
5．f ________: give food to
