问题
选择题
My sister _____ the League last month and she has decided to _____ the activity to help the aged next week. [ ]
A. joined; join in
B. joined in; join
C. joined; join
D. joined in; join in
答案
答案:A
My sister _____ the League last month and she has decided to _____ the activity to help the aged next week. [ ]
A. joined; join in
B. joined in; join
C. joined; join
D. joined in; join in
答案:A