【C4】______A．healthB．headsC．nightD．work

【C4】______example,A.byB.toC.for

【C4】______A．calling offB．calling forC．calling uponD．calling up

【C4】______A．oneB．theC．other

【C4】______A．strikingB．struckC．to be strikingD．to strike

This maths problem is easy ______________.A.work outB.to be working outC.workedD.to wor

_________(53)A.arms B.headsC.legs D.bodies