The exercise is so difficult that it is ________ the abilities of most of the class.
| A．outside |
| B．across |
| C．above |
| D．beyond |
Part of the reason Charles Dickens loved his own novel, David Copperfield, was _____ it was rather closely modeled on his own life.
| A．what | B．that | C．why | D．whether |
That is the only way we can imagine _____ the overuse of water in students’ bathrooms.
| A．reducing | B．to reduce | C．reduced | D．reduce |
Don’t phone me between 7:00 and 8:00 in the evening. We _____ dinner then.
| A．are having | B．had | C．would have | D．will be having |
Life in the 21st century is much better than_____ used to be.
| A．that | B．it | C．what | D．one |
I’ve _____ all my papers but I still can’t find the contract.
| A．looked into | B．looked up | C．looked through | D．looked after |