Tom is absent this week.Do you know what to him?
| A．has happened | B．was happening | C．will happen | D．had happened |
We demanded that we _____ of any change in the plan that they put forward.
| A．informed | B．be informing | C．be informed | D．had been informed |
His project is concerned with _____ the technology to practical business problems.
| A．replying | B．devoting | C．supplying | D．applying |
Everybody was touched words after they heard her moving story.
| A．beyond | B．without | C．of | D．in |
The computer was used in teaching. As a result, not only , but students became more interested in the lessons.
| A．saved was teachers’ energy | B．was teachers’ energy saved |
| C．teachers’ energy was saved | D．was saved teachers’ energy |
Edward, you play so well. But I you played the piano.
| A．didn’t know | B．hadn’t known |
| C．don’t know | D．haven’t known |