摘要： Metal making machines and many other things. A. used to B. is used for C. is used as D. is used to ( )ese by the largest number of people in the world now. A. is spoken B. is speaking C. speaks D. spoke
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Metal making machines and many other things.
[ ]
A. used to
B. is used for
C. is used as
D. is used to
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B. is used for
C. is used as
D. is used to
Metal _____ making machines and many other things.
[ ]
A. used to
B. is used for
C. is used as
D. is used to
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B. is used for
C. is used as
D. is used to
Metal ________ making machines and many other things.
A. used to
B. is used for
C. is used as
D. is used to
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