用下面词造句如题,最好能简单一点的1.concern oneself with2.was+adj/adv+as poss

1、He refused to concert with his partners
他拒绝了和他的搭档合作.
2、The little visitor meanwhile was as unhappy as possible
小客人这时候要多么难受有多么难受.
3、Teachers often encourage me to study hard.
老师经常鼓励我好好学习.