问题
选择题
Kate ______, and the others ______. [ ]
A. sing; listen
B. is singing; is listening
C. sing; are listening
D. is singing; are listening
答案
答案:D
Kate ______, and the others ______. [ ]
A. sing; listen
B. is singing; is listening
C. sing; are listening
D. is singing; are listening
答案:D