Read these phrases and change them into positive or negative ones with 'can' or 'can’t'. Study the example. Don't write full stops. Example 0. I swim (+) Answer 0. I can swim 1. He cooks (+) 2. I play the piano (+) 3. Kate asks (−)

1. Не can cook

2. I can play the piano

3. Kate can't ask

Jill was afraid she had forgotten___ (forget) her key at home, but she found it in her handbag.
2. Dad wasn't at home when I came back. He had gone ___ ( go) out twenty minutes before.
3. I wasn't hungry because I had just had___ (just/have) brekfast.
4. Peter saw an urgent message on his table. Somebody had left (leave) it the day before.
5. I apologized I hadn't phoned ( not/phone) her.
6 He told me that he had come back ( come back) a fortnight before.
7. I knew him at once though I had met___ (meet) him many years befor.
8.Mr. Jackson said that he had already bought ( already/buy) everything for lunch.
9. Alice asked her brother where he had arranged (arrange) to meet his friends.
10. We had no car at that time because we had sold (sell) our old one.

I don't think that books will ever disappear.  They may change their form or format, but they can't disappear altogether.  Now we mostly use electronic books.  But still many people prefer to  read real books made from paper.  Books can't disappear because they give knowledge.  And if you have knowledge, you have power.  Books can be passed on to your children so that they can also gain knowledge.  Modern libraries should have all kinds of books - electronic ones in special formats, and ordinary books.  After all, if there's an electricity blackout, or if a computer or a telephones fails, you can always read just a simple book  full of great ideas and discoveries.  And you can read it while the sun shines!