7.
(A) has been built
(B) is built
(C) is building
(D) has been building

答案：登入後查看
統計： A(13), B(0), C(0), D(4), E(0) #1755935

詳解 (共 2 筆)

#2659490
(A)丶(D)皆可。buildvt. v...
(共 36 字，隱藏中）
前往觀看
2
0
#4551156

考量句意，還是(D)較好。

0
0