. As we all know, it was ______ that resulted in the terrible car accident.
| A．because of her carelessness | B．for her to be careless |
| C．because she was careless | D．her being careless |
In the past several weeks, many cities in Northern China________from heavy fogs, causing great inconvenience to people.
| A．suffered | B．have been suffering |
| C．were suffered | D．had been suffered |
--Which car is better, the red one or the black one?
--I prefer the red one, but it is really a matter of personal________.
| A．taste | B．style |
| C．affair | D．tradition |
A lot of dirty clothes require ________ so she will not go out shopping this weekend.
| A．clean | B．to clean |
| C．being cleaned | D．cleaning |
--What shall we do tonight then?
--________ --whatever you want.
| A．Help yourself | B．It’s a deal |
| C．No problem | D．It’s up to you |
John began to study French last Sunday. ____________
| A．His brother did so. |
| B．So did his brother. |
| C．So his brother did. |
| D．His brother so did. |