Only when _______ be possible to sign the papers.
| A．does the lawyer come with it |
| B．the lawyer comes will it |
| C．has the lawyer come it will |
| D．the lawyer comes it will |
—Who knocked at the door?
—I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ________ was.
| A．he | B．that |
| C．she | D．it |
The doctor kept telling him that he mustn’t smoke, but ________ didn’t help.
| A．he | B．which |
| C．it | D．they |
Don’t leave your keys in the car. Someone might steal ________ 。
| A．one | B．that |
| C．this | D．it |
Computers must be of great use to ________ doing the scientific research.
| A．these | B．whoever |
| C．those | D．whomever |
The cruelty of the Germans towards the Jews and ________ of the Japanese towards their prisoners, filled ________ with horror.
| A．those; someone | B．that; everyone |
| C．it; no one | D．this; anyone |