在线名词解释大全
专业、全面、易懂的全领域名词百科

Thedoctorsayshe______becarefulabouthisweightanddietbecausehehasahistoryofheartdiseaseinhisfamily.

题型:单选题
选项
A. must
B. has to
C. should
D. all of the above
正确答案:D