This math problem is very h_____ ,so many students can not d
This math problem is very h_____ ,so many students can not d
This math problem is so difficult that only ( ) students can
This math problem is so difficult that few students can work
1.This is a very difficult math problem that the students ca
The math problem is so difficult that[]students can work it
The math problem is so difficult that only[]students can wor
doctor 's h_____ is not very good,so peple always can't unde
this math problem is ___ difficult.___ students can't work i
This math problem is------that one.A.not so easy as B.more e
The math problem is not very difficule.I can work it out e__
This math problem is very easy.I can work it out.合并为一句
She is very clever.She can ( )this math problem.括号里填什么?