This kind of material expands （) the temperature

The radio of this kind（) in this shop.

This kind of material was occasionally used in making shoes.A.neverB.rarelyC.oftenD.usual

This kind of material can resist heat and moisture.A.deleteB.compelC.constrainD.repel

This passage is mainly talking about______.A．the fast expanding of social networking sites

This kind of fish are on the verge of extincti

One of the requirements for the fire is that the material ________ to its burning temperature. A.is