Jim go to the doctor. His leg is broken.A. canB. mightC. mustD. has to

问题补充：

Jim go to the doctor. His leg is broken.

A. can

B. might

C. must

D. has to

答案：

A. can

B. might

C. must

(答案→)D. has to

解析：句意：吉姆不得不去看医生。他的腿受伤了。四个选项均为情态动词。Can能； might可能； must必须； has to不得不。他的腿受伤了，不得不去看医生。故选D