John had made up his mind to give it up, but on _________ second thought he determined to have __________ third try.
| A．/ ; / | B． a; a | C．the; a | D．/ ; a |
— Tom, you are caught late again.
— Oh, ______.
| A．not at all | B．just my luck | C．never mind | D．that’s all right |
Kathy’s cat is so cute and lovely, but I don’t think I have enough time to keep ______.
| A．this | B．that | C．it | D．one |
— Where did you meet your middle school teacher?
— It was in the supermarket ______ I was doing some shopping with my son.
| A．that | B．where | C．when | D．which |
— I promise Shirley ______ get a new iPad on her birthday.
— Will it be a big surprise to her?
| A．will | B．would | C．should | D．shall |
______ I always felt I would pass the exam, I never thought I would get an
| A．While | B．Unless | C．If | D．Until |