1._______ at my classmate` faces,I read the same excitement in their eyes.
A.looking B.look C.To look D.looked
2.It rained heavily in the south,______ serious flooding in several provinces.
A.caused B.having caused C.causing D.to cause
3.The retired man donated most of his savings to the school damaged by the earthquake in Yushu,________ the students to return to their classrooms.
A.Enabling B.having enabled C.to enable D.to have enabled
4.The news shocked the public,______ to great concern about students’safety at school.
A.having led B.led C.leading D.to lead