——Have you finished the book?
——No. I’ve read up to the children discover the secret cave.
| A．which | B．what | C．that | D．where |
____ the floor, I found his pen lying on the ground.
| A．While sweeping | B．While swept |
| C．If sweeping | D．If swept |
To master a foreign language, ______.
| A．a lot of practice is needed |
| B．it needs a lot of practice |
| C．practice is in need of |
| D．one needs a lot of practice |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling |
| C．to settle | D．being settled |
It is difficult to imagine his ______the decision without any consideration.
| A．accept | B．accepting |
| C．to accept | D．accepted |
__________ by many tall trees, the lake looks more beautiful.
| A．Surrounding | B．Surrounded |
| C．Being surrounded | D．To surround |