The student sat there, __________ what to do. [ ]A. doesn’t knowingB. didn’t knowing C. not knowD. n
A. doesn’t knowing B. didn’t knowing C. not know D. not knowing
题目简介
The student sat there, __________ what to do. [ ]A. doesn’t knowingB. didn’t knowing C. not knowD. n
题目详情
A. doesn’t knowing
B. didn’t knowing
C. not know
D. not knowing
答案