29. He told us that the girl was _______, so we went to save her.
| A．dangerous | B．in danger | C．a danger | D．Endangering |
He made another wonderful discovery, ______ of great importance to science.
| A．which I think is | B．which I think it is |
| C．which I think it | D．I think which is |
When they met again, the two friends talked about lots of things and persons ______.we could remember in the school.
| A．who | B．whom | C．that | D．which |
The factory ______ I am going to is the place ______ my mother used to work many years ago.
| A．where, where | B．where, which |
| C．which, where | D．that, which |
Who can pwhat life will be like in the future?
---Would you mind if I turned on the TV?
---Not at all. _______
| A．Go ahead! | B．You’ve got it. |
| C．It’s your turn. | D．Keep the noise down. |