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With an electronic typewriter ,we can get evenly typed characters regardless of the pressure ________we strike the keys.

A.     that  B. with which  C. that  D. by that 

With an electronic typewriter ,we can get evenly typed characters regardless of the pressure ________we strike the keys.

A.     that  B. with which  C. that  D. by that 

.With an electronic typewriter ,we can get evenly typed characters regardless of the pressure ________we strike the keys.

.With an electronic typewriter ,we can get evenly typed characters regardless of the pressure ________we strike the keys.

A.that               B. with which            C. that            D. by that 

.With an electronic typewriter ,we can get evenly typed characters regardless of the pressure ________we strike the keys.