It is unknown weather he will come or not.(主語從句
I don't know weather he will come or not.(賓語從句
The question is weather he will come or not.(表語從句
The question weather he will come or not is not settled.(同位語從句
例：09年6月真題 __________(很多人沒有意識到的
例：08年12月真題
It was very dark, but Mary seemed to (本能地知道該走哪條路
know which way to take by instinct 賓語從句
例：07年12月真題
In my sixties, one change I notice is that _________________ (我比以前更容易累了
例：真題08年12月
Your resume should attract a would-be boss's attention by demonstrating _____ (為什么你是某個特定職位的最佳人選). 賓語從句
例： Since my childhood I have found that ________ (沒有什么比讀書對我更有吸引力
