1.I am interested in........more about your special offers. a) to hear b) hearing
2.I regret.........so much money last week. a) spending b) to spend
3.The buyers want....... our terms of payment. a) knowing b) to know
4.You don't need ........ into an argument over this. a) to get b) getting
5.We should........ the software before giving it to users. a) testing b) test