Though the professor tried his best to e
题型:选择题
问题:
Though the professor tried his best to explain the difficult question, the students still looked _____. [ ]
A. confusing
B. being confused
C. to confuse
D. confused
Though the professor tried his best to explain the difficult question, the students still looked _____. [ ]
A. confusing
B. being confused
C. to confuse
D. confused