【C9】A．pieceB．endC．partD．edge

【C5】A．stopB．endC．ceaseD．halt

【32】A．numberB．pointC．partD．figure

A．scaleB．numberC．partD．extent

【C16】A．pieceB．lumpC．loafD．chunk

【C5】A．pieceB．sumC．quantityD．amount

【C13】A．a pieceB．a packet ofC．a cup ofD．a box of