THIS KIND OF MATERIAL IS ... BECAUSE YOU CAN MAKE MANY THINGS FROM...

42. This kind of material is ... because you can make many things from it. That

is a ... machine. It does not work any more. You can make ... of this

fertile land in farming.

a. use / useful / useless

b. use / useless / useful

c. useful / useless / use

d. useless / useful / use

 c