选择.Sandra didn't come to school today. I think she ____ be ill. A. shall B. can C. must D. shoulD是should !!!!!!!

分类: 作业答案 • 2021-12-19 10:51:09

问题描述：

选择.Sandra didn't come to school today. I think she ____ be ill. A. shall B. can C. must D. shoul
D是should !!!!!!!

答

C.must
我想他一定是病了