问题
To the teacher’s surprise, the boy had no ____ out the ____ maths problem. [ ]
A: difficulty to work; difficult
B: difficult working; difficulty
C: difficulty working; difficult
D: difficulty in working; difficulty
B: difficult working; difficulty
C: difficulty working; difficult
D: difficulty in working; difficulty
正确答案是：
同类题型
H1N1 is sweeping throughout theworld, people are still looking forward ___ off the Carnival Parade
What ________ do you want to have— Some apples, please.
It is the place ________ he was knocked down by a drunk driver last night.[ ]
ate night film at home when, right in the middle of a thrilling scene, the television went blank.