修改病句。
1.同学们热心欢迎新老师。
2.海底不仅有鱼类,但是有贝类。
3.蜡烛把风吹灭了。
1.“热心”改为“热烈”。
2.“但是”改成“而且”。
3.风把蜡烛吹灭了。
If _________, he promised that he would try his best to improve people's living conditions. [ ]
A. being elected
B. to be elected
C. having elected
D. elected
非正式群体关注的是( )。
A.权力
B.责任
C.人及其关系
D.个人利益