4、for12.Youhaveto________________forfasttrafficalongherewhencrossingthestreet.【答案】 watchout3用心爱心专心13.Wearepaid________________howmuchworkwedo.【答案】 accordingto14.Thedriverhasjust________________himfortheaccident.【答案】 apologizedto15.Evenanexperiencedclimbercan__________________.【答案】 g
5、etintotrouble16.Sometribesmigratewiththeircattle______________________freshgrass.【答案】 insearchof17.Theprofessorloveschildren;____________________________,sheisstrictwithherchildren.【答案】 ontheotherhand18.Attention,please.Astrongwindiscoming________________________ofourarea.【答案】 int