Have you mended your shoes, Bob？—Yes, I ____ them twenty minutes ago ．

What are you looking for?—I’m looking for the book _____ I bought yesterday. [ ]

He ______ at that school a year ago.

Will you be back _____ five in the afternoon? — I am not sure, maybe later than that.

Kitty, have you seen the film Tai Embarrassed (《泰囧》) yet? — Yes. I ________ it last month.