—How was your recent trip to Sichuan?
—I've never had ________ one before.
| A．a pleasant | B．a more pleasant |
| C．a most pleasant | D．the most pleasant |
If _____ carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |
It would be a good idea to use a plastic bottle, ___cut off, as a container to grow young plants in.
| A．of which the top | B．the top is | C．top of which | D．with its top |
The judge paid no attention to _____ he had just lost his wife.
| A．that | B．which | C．what | D．the fact that |
Who would you rather ______ the report instead of you？
| A．have write | B．have to write | C．write | D．have written |
-----“She's not a dancing teacher, is she?”
------ “_____.”
| A．Yes, and she isn't | B．Yes, but she was |
| C．No, but she isn't | D．No, but she was |