_______ she was standing and waiting for a bus that she caught sight of the former President Clinton.
| A．It was while | B．As soon as |
| C．While | D．During the time when |
We will never forget the factory _______ we worked last year.
| A．where | B．that | C．in that | D．of which |
Can you lend me the magazine _____ last week?
| A．you bought it | B．that you bought |
| C．that you bought it | D．which you bought it |
The old lady lives in a house ______ windows are broken.
| A．which | B．whose | C．what | D．that |
These photos reminded him of the places _____he visited last year.
| A．which | B．that | C．不填 | D．all above |
— Have you finished all your homework?
— Of course. I ________ it before I went out to play football.
| A．had finished | B．have finished | C．finished | D．was finishing |