（ ）ministers decide to instigate an inquiry, we（ ）welcome it.
Should ．．． would
Suppose ．．． could
If．．． would
Would ．．． will
考查虚拟条件句的倒装。句意为“如果部长们决定发起一次调查，我们会表示欢迎”。在虚拟条件句中，如果谓语部分有were、had或should时，可将它们置于句首，省略if，变成部分倒装句。该句可还原为“If ministers should decideto instigate an inquiry，we would welcome it．”。