填空题supplementing — 改成supplemented

单项选择题A．negotiating about photographic material.B．negotiating an automobile agreement.C．facing serious problems in trade.D．on the verge of a large-scale trade war.

单项选择题A．opposition.B．support.C．ambiguity.D．indifference.

单项选择题A．work hard while their boss is around.B．come to work when there is work to be done.C．work with initiative and willingness.D．work through their lunch break.

填空题get known