Look! The students _______ in the dormitory. [ ]A. cleans B. clean C. is cleaning D. are cleaning -七
[ ]
A. cleans B. clean C. is cleaning D. are cleaning
题目简介
Look! The students _______ in the dormitory. [ ]A. cleans B. clean C. is cleaning D. are cleaning -七
题目详情
[ ]
A. cleans
B. clean
C. is cleaning
D. are cleaning
答案