- Why don’t you still understand this pr
题型:选择题
问题:
- Why don’t you still understand this problem?
- The teacher didn’t have it _______ clearly.
A. explaining
B. to explain
C. explain
D. explained
- Why don’t you still understand this problem?
- The teacher didn’t have it _______ clearly.
A. explaining
B. to explain
C. explain
D. explained