this maths problem.为什么加s this是单数啊
this maths problem.为什么加s this是单数啊
this maths problem.为什么加s
请问:Can you work out this maths problem 为什么math要加s?
this maths problem is_________that one.
This dress suits you beautifully 为什么suit要加S难道裙子是第三人称单数吗
This factory produces steel 中为什么produce 要加S 是因为第三人称单数吗
The maths problem is too difficult.math为什么加s
__ __ THIS MATHS PROBLEM IS !
This maths problem is ___ that one .
It is difficult () out this maths problem
This maths problem is easy to work out.同义句This maths problem
I found it impossible to work out this maths problem 不加be动词也