1. can

2. could

3. could

4.  won't be able to

5. can't 

6. will be able to

7.can

8. couldn't

9. won't be able.

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1. It is so amzing. He can speak five languages .

2. I looked everywhere for my glasses but I could find them anywhere.

3. James could speak Japanese when he lived in Japan, but he's fogotten most of it now.

4. I have to go to a business dinner tomorrow night so I won't be able to come to the party. I am very sorry.

5. This telephone is terrible I can't hear you at all.

6. Do you think will be able to write that report by Tuesday? I know you're very busy.

7. I can touch my toes. See!

8. I couldn't spend another moment in that restaurant. It was so noisy.

9. I'm afraid so I won't be able to attend the meeting. I'm on business in Japan.