_______(不幸地),theyhadnomoneyfortheirmother'smedicaltreatment.

Themachineis_______(控制)byarobotinsteadofaworker.

---_______doyouplaycomputer?

---Onceaweek,onlyonSaturdayevening.

-Thiskindofsportsisexciting.

-Yes,butit'sdangerous.Onecan'tdoit_______heorshehasgotsometraining.

ChairpersonXicallsonustodowhatwecan_______asmuchaspossible.