can

I can't understand this passage _______there are no new words in it.

--Can I speak to Mr. Wang, please?---- ____________

---Mary, can I use your computer now? ---- ___________.It doesn’twork.

– Can you give me a discount if you I buy two of them?-___________.

- The dishwasher looks nice. How much do you charge for it?- $1498.-It’s rather expensive.________________?- If you really want it, we can give youa ten percent discount off.

He is a man of great experience, ______much can be learned.

The boy is just stupid; I can’t ______ to him at all, even when I explain things in words of one syllable.

My grandpa can' t  hear clearly. There's something wrong with his______.

I can’t stand him. He always talks as though he _____ everything.

Let’s leave the matter as it is ________, but we can discuss it when we are both free.