钝角三角形里有两个钝角．______．（判断对错）
钝角三角形里有一个钝角；
故答案为：×．
Some people believe _______ has happened before or is happening now will repeat itself in the future.
A．whatever
B．whenever.
C．whereever
D．however
往来款项的清查，一般采用发函旬证的方法进行()
