Theearliesttelephonesrequiredadifferentpairofwiresforeachphone___youwishedtoconnect.
A.that B.which C.where D.to which正确答案D
Theearliesttelephonesrequiredadifferentpairofwiresforeachphone___youwishedtoconnect.
A.that B.which C.where D.to which正确答案D