14. He _____ his teeth five times a day but now only three times.
(A) used to brush
(B) used to brushing
(C) was used to brush
(D) was used to brushing

答案：登入後查看
統計： A(36), B(6), C(0), D(5), E(0) #1590153

詳解 (共 1 筆)

#2870751
1. used to + 原V   過去...
(共 146 字，隱藏中）
前往觀看
10
0