问题
选择题
David can't go to take part in the sports meeting, because he'll ________ take care of his mother
who is ill. [ ]
A. must
B. has to
C. have to
D. needs to
答案
答案：C
搜题请搜索小程序“爱下问搜题”
David can't go to take part in the sports meeting, because he'll ________ take care of his mother
who is ill. [ ]
A. must
B. has to
C. have to
D. needs to
答案：C