选词填空

deaf, simple, speak up, do, medicine

【1】Some people think life in the past was ________ and healthier than today.

【2】Now people live longer than they _________ in the past.

【3】In the past, people could easily get ill because they knew little about _________.

【4】He is a bit far from you. You should __________ so that he can hear you.

【5】It’s no use speaking to him loudly. He has been _______ for several years.