1: Mary didn't buy any books because the bookshop closed ten minutes ago
minute ago => minutes ago
10 phút nên minute phải là số nhiều
Mary didn't buy any books because the bookshop closed ten minute ago => Mary didn't buy any books because the bookshop closed ten minutes ago
Marry didn't buy any books because the bookshop closed ten minutes ago.
Mary didn't buy any books because the bookshop closed ten minute ago.
A B C D
Sai: D. minute ago => minutes ago