I really don’t know _______ I put my wallet.
| A．where was it | B．it was where that |
| C．where it was that | D．where was it that |
They let us use their computer, and_________we gave them the results of our research.
| A．in short | B．in turn | C．in fact | D．in return |
—Shall we go to the art exhibition right away?
— _______.
| A．It’s your opinion | B．I don’t mind | C．It’s all up to you | D．That’s your decision |
I don’t remember how many years ago _______I last showed you around the farm.
| A．it was that | B．was it that | C．it was when | D．was it when |
After the war, a new school was put up____________ there had once been a theatre.
| A．in which | B．where | C．which | D．When |
The test____________ , we began our holiday.
| A．finished | B．was finished | C．to finish | D．Finishing |