This math problem is so difficult that only ________ student
This math problem is so difficult that only ________ student
This math problem is so difficult that only ( ) students can
This maths problem is so difficult that only __________ stud
The math problem is so difficult that only[]students can wor
This math problem is so difficult that few students can work
The math problem is _____ difficult that only _____ students
It is so difficult a problem that ____ student in this class
This problem is so difficult that f_____ student can solve i
1.This math problem is more difficult than that one.This mat
This math problem ________.
1.The math problem is so difficult that I can't work it out.
英语改句子The math problem is so difficult that we can't work it