Large quantities of water ________ for cooling purpose in the only one of the plants which _________steel.
A.has been needed
B. produce
C.are needed
D. produces
E.is needed
F. produce
G.have been needed
H. produce
对258人提供帮助
Large quantities of water ________ for cooling purpose in the only one of the plants which _________steel.
A.has been needed
B. produce
C.are needed
D. produces
E.is needed
F. produce
G.have been needed
H. produce
对258人提供帮助