—Have you seen recently? —No, but I _______ dinner with him on Friday.
| A．had | B．have had | C．am having | D．was having |
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 |
She brought with her three friends, none of__________ I had ever met before.
| A．them | B．who |
| C．whom | D．these |