Although the first part is easy the rest ____.
| A．is supposed difficult | B．are difficult |
| C．has proved difficult | D．could have been difficult |
All the people on the list must be told to attend the meeting; you must make sure that no one is _______.
| A．left out | B．set aside | C．cut off | D．kept away |
The task is very difficult. I wonder whether we will be able to finish it in the ________ of any other helpers.
| A．appearance | B．escape | C．spare | D．absence |
If you pay for the computer in cash, you could have a 5% discount; _______ we can deliver it to you for free.
| A．in demand | B．in addition | C．in return | D．in place |
The project ______ last month but unfortunately it had to be prolonged because of the financial problem.
| A．needn’t have been finished | B．shouldn’t have finished |
C．could have been finished | D．must have finished |
I think this software is of little use to your work. It is really a ________ of money.
| A．lack | B．load | C．question | D．waste |