Fire hose couplings ______.A.are made of bronze b

Lots of things are made of_____．We must protect_____． A．woods；woods B．wood；wood

The minister of foreign affairs made a statement______he has excluded the possibility of b

Convection spreads a fire as a result of _____.A.transmitting the heat of a fire through t

The ______ newspaper accounts of the marital problems of the royal couple fascinated many

From the first paragraph, we learn that ______.A．the couple have made a lot of sacrifices

The fire of sodium is classified as_____ fire.A.Class AB.Class BC.Class CD.Class D