问题补充：
—Jimstudy hard these days?
—Yes, he will (将) take an exam (考试) next week.
A. Is, have to
B. Does, have to
C. Can, have to
D. Does, has to
答案：
A. Is, have to
(答案→)B. Does, have to
C. Can, have to
D. Does, has to
解析：have to 为情态动词，但是它要变成否定句或一般疑问句，要借助于助动词does，do 或did，根据本题的主语为Jim，为三单形式，故选B
