1.SARS spreads easily a______ people.It's a serious disease.2.H_______ up,it's time to go to school.3.Good news s_____ quickly among people
问题描述:
1.SARS spreads easily a______ people.It's a serious disease.
2.H_______ up,it's time to go to school.
3.Good news s_____ quickly among people
答