16．What can we learn from the dialogue？ A．The girl has finished her science homework． B．The boy has finished his maths homework． C．The boy has finished his English exercises．
10．听短文，完成下列内容．每空格限填一词 21．A dangerous略has been found in one of the washing rooms． 22．You should follow the sign and make your way out by略． 23．Please give略 to anyone around you，especially disabled and elderly people． 24．If you have children with you，略 you hold them firmly by the hand． 25．Do remember to略the cigarettes because they may cause accidents．
