问题补充:
— Do you have to take care of your mother at home ? — Yes , I .
A. do
B. have to
C. have
D. shall
答案:
A. do
(答案→)B. have to
C. have
D. shall
解析:回答情态动词 have to 的一般问句时肯定用 have to 或 must , 否定用 don\t have to 或 needn\t。
时间:2018-08-18 10:01:50
— Do you have to take care of your mother at home ? — Yes , I .
A. do
B. have to
C. have
D. shall
A. do
(答案→)B. have to
C. have
D. shall
解析:回答情态动词 have to 的一般问句时肯定用 have to 或 must , 否定用 don\t have to 或 needn\t。