In this section, we will briefly describe possible ways of reducing the costs and risks ______ in doing this.

That ishis book ___ the lost and found case.

.— This is one of the oldest trees in the world. —_____ such a big tree.

ennisgettingalongwithhiswork —-Well,hecanalways________anewideaforincreasingsales

Turn right ___the third street, you will see the supermarket _____your left.