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．the top of which | D．with its top |
We've got two TV sets, but we still can't watch anything because ______ works properly.
| A．neither | B．either | C．each | D．none |
--- Did you find the pen yesterday?
--- No, I didn’t find ________, but I have bought ________.
| A．it; it | B．one; it | C．it; one | D．one; one |
All of us want very much to see these amusing movies，especially you referred to just now．
| A．any | B．it | C．the one | D．one |
______ has already been pointed out, only by correcting mistakes, can you make progress.
| A．It | B．As | C．That | D．What |
I will appreciate ______ if you can give me a hand.
| A．this | B．that | C．it | D．one |