锚链按制造方法分有:()
①、铸钢锚链;②、电焊锚链;③、气焊锚链;④、锻造锚链
A.①、②、③
B.②、③、④
C.①、②、④
D.①、②、③、④
参考答案:C
I don't remember where _____ in that city when he was young? [ ]
A. did he work
B. he work
C. he has worked
D. he worked
呼损率