--How often do you attend the evening classes?
---_____, three times per week.
| A．On the whole | B．On average | C．Little by little | D．In all |
Read this story, ______ you will realize that not everything can be bought with money.
| A．or | B．and | C．but | D．so |
Baoji isn’t ____ she used to be. Great changes have taken place in the past years.
| A．that | B．which | C．like | D．what |
Every possible means ______, but none proves successful.
| A．has tried | B．have been tried |
| C．is being tried | D．has been tried |
13. His plan is such a good one ____ we all agreed to accept it.
| A．as | B．and |
| C．that | D．so |
He was so busy. He cannot afford enough time with his son _____ he wants to.
| A．even if | B．as if | C．because | D．before |