．It rained for two weeks, completely _______ our holiday.
| A．ruined | B．ruin | C．to ruin | D．ruining |
One of the most important questions they had to consider was__________ of public health
| A．what | B．this |
| C．that | D．which |
Encourage your children to try new things, but try not to__________them too hard.
| A．draw | B．strike |
| C．rush | D．push |
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 |
The children all turned__________the famous actress as she entered the classroom.
| A．looked at | B．to look at |
| C．to looking at | D．look at |
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 |