Error Correction
33. Mathematics
(a) have taken centuries to develop
(b) the methods
(c) that we now use
(d) in arithmetic.

答案：登入後查看
統計： A(74), B(23), C(11), D(45), E(0) #568467

christdoubtfire

B4 · 2015/05/28

#1073297

改成數學家 mathematicians

Ming-Chen Yu

B2 · 2014/05/19

#840033

mathmatics當學科名稱是單數，故跟後面have 搭不起來~

helen41038

B3 · 2014/06/21

#871005

n.[U]不可數名詞

數學[J]

annyanny20

B1 · 2014/05/11

#834525

求解!錯在哪呢?

Error Correction33. Mathematics(a) have taken centuries to develop(b) the methods(c) that we now use(d) in arithmetic.