语法:同位语从句讲解及练习用适当的连接词填空:1、It worried her a bit _ her hair was turning gray、2、I have no idea _ we can do with these waste materials、3、_the doctor really doubts is _my mother will recover from the serious disease soon、4、It is hoped _ nature will never be destroyed、5、_do you guess will give a talk on English tomorrow?6、- I drove to Zhuhai for the air show last week、- Is that _ you had a few days off?7、 Word came _I was wanted at the office、8、Do you know