Thedoctorsaysshe
问题详情：
The doctor says she____be careful about her weight and diet because she has a history of heart disease in her family.
A. must B. has to C. should D. all of the above
【回答】
D
知识点：虚拟语气与情态动词
题型：选择题
问题详情：
The doctor says she____be careful about her weight and diet because she has a history of heart disease in her family.
A. must B. has to C. should D. all of the above
【回答】
D
知识点：虚拟语气与情态动词
题型：选择题
