问题
选择题
— Could you come to the party this weekend?
— I'm afraid I can't join you. I _____ look after my grandma. [ ]
A.used to
B.have to
C.prefer to
D.belong to
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Could you come to the party this weekend?
— I'm afraid I can't join you. I _____ look after my grandma. [ ]
A.used to
B.have to
C.prefer to
D.belong to
答案：B
