Our clients urgently need the goods， and your slowness is causing a great deal（）inconvenience for them.
Our clients urgently need the goods， and your slowness is causing a great deal（）inconvenience for them.
正确答案：of
解析:本题考查固定短语 a great deal of 的用法，意思是“许多”。全句意思是：我们客户急需此批货物，你方延误发货会给他们带来诸多不便。