FORM/USE: 'THE' + PREMODIFIER + 'THING, FACT etc.' + 'IS (THAT)'

奇怪的是，演出开始前突然停电了。

___The ___strange ___thing ___was ___that the lights went out right before the performance.

可悲的事实是，许多老年人独居，很少有人探望。

___The ___sad ___fact ___is ___that many elderly people live alone with few visitors.

关键的一点是，截止日期适用于所有部门，无一例外。

___The ___crucial ___point ___is ___that the deadline applies to all departments without exception.

最大的问题是，资金要到下个季度才能到位。

___The ___biggest ___problem ___is ___that the funding won't arrive until next quarter.

主要原因是，预算被意外削减了三分之一。

___The ___main ___reason ___is ___that the budget was unexpectedly cut by a third.