Knowledge and learning are important if we want to be successful, but they may also ______ our thinking.
| A．direct | B．limit | C．change | D．improve |
He told me only part of the story and that was ____.
| A．this | B．it | C．that | D．one |
She writes ___ from time to time.
| A．him to letters | B．a letter him | C．him a letter | D．letter to him |
---I fell off the bike. I think my left leg may be broken.---_____.
| A．I don't hope so. | B．I hope not so | C．I do hope it | D．I hope not |
---Who broke the window?---_____.
| A．I found | B．I did | C．I find | D．I do |
I don't enjoy these trousers.Would you please show me ____?
| A．some others | B．another one | C．the other | D．other one |