again                                           

A．cabbage

B．narrow

C．famous

D．tradition

custom                                          

A．measure

B．upstairs

C．respect

D．sugar

twice                                           

A．machine

B．invite

C．terrible

D．bitter

doubt                                           

A．amount

B．trouble

C．shoulder

D．group

north                                            

A．thunder

B．worthy

C．neither

D．clothes