26.—Were the audience allowed to join in the play?
—Yes, the actors_______to satisfy the audience were successful.
| A．who it was the duty | B．of which the duty was |
| C．whose duty it was | D．whose was the duty |
—How is the cloth I chose?
—________. This color will look very pretty on you.
| A．The color is too dark |
| B．You have a good taste |
| C．But the color is sold out |
| D．You can try it on now |
What I am concerned about is ________ they could fit in with society and how we can create more opportunities for them.
| A．which | B．what | C．whether | D．who |
We will make ________ clear that we attach increased importance to all schools sticking to that guidance.
| A．this | B．that | C．it | D．what |
Other genetic similarities suggested they all ________ a single, common ancestor about 300 years ago.
| A．had | B．have had | C．have | D．had had |
The managers consider it is important that everything ________ by weekend.
| A．will complete | B．has completed |
| C．be completed | D．is completing |