the problem ()me is a very difficult one A.after B.before C.
the problem ()me is a very difficult one A.after B.before C.
The question___us is a very difficult one.为什么填before?这里befor
改错A(This physics problem) is very B(difficult).You must C(th
This problem ___that one. A.are the same as B.is difficult f
( )child as he is,he is very mature.A.A B./ C.The D.One
this problem is __ that one.A.as difficult as B.less easier
1.This is a very difficult math problem that the students ca
the problem is very difficult,but he worked it out ____ a la
The is very hard.I can't answer it.A.problem B.question C.ma
which(A) problem is (B) the most important(C) ,this one or(D
The problem is _____ difficult for me _____ solve. A.so; to
The problem is very difficult to ( )