24.(Error correction) Since
(A) fall 2010, the university’s
(B) information technology department launches
(C) two rounds of upgrades
(D).

答案：登入後查看
統計： A(45), B(66), C(223), D(46), E(0) #570950

詳解 (共 2 筆)

#969730
has launched
10
1
#875670
怎麼改？
2
0