【C3】A．in returnB．in turnC．by handD．in silence

A．in return B．in turnC．by hand D．in silence

Joan and Jane are twins,but they have few interests（) .A in orderB in turnC in generalD

The three children looked after their sick mother______.A．in returnB．by turnC．in turnD．in

【C17】A．in returnB．in turnC．on the turnD．at every turn

Restructuring in the telecom businesses is ______.A: in handB: on handC: by handD: at

Dirt and disease go ________.A shoulder by shoulderB arm in armC hand in handD face to f