His writing is so confusing that it's di
题型:选择题
问题:
His writing is so confusing that it's difficult to make out ________ it is he is trying to express.[ ]
A. that
B. how
C. who
D. what
His writing is so confusing that it's difficult to make out ________ it is he is trying to express.[ ]
A. that
B. how
C. who
D. what