－How long have you been at home?
－Half an hour. My son _________ me home.
| A．would drive | B．had driven | C．has been driving | D．drove |
34. It was _______ back home after the experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
33. My father made a promise ______ I got a good mark he would buy me a present.
| A．that if | B．what if | C．that whether | D．which if |
32.You are saying that everyone should be equal, and this is _______I disagree.
| A．why | B．where | C．what | D．How |
31. At that time I still felt ______ my feet were cold and _______ my hands ached terribly.
| A．that; that | B．that; / | C．that; what | D．what; that |
30.The problem lies in ______ the mist may become a thick fog , making the situation even worse.
| A．that | B．which | C．what | D．that whether |