Question

              be,get,make,become,change 

   Since 1946,computers 1 our lives. The first computer was invented in 1946. It was as large as a room and very difficult and slow to use. But since the invention of “silicon chip”(桂片) ，computers 2

smaller,easier and faster to operate. Some computers are as small as TV sets. Some can 3 smaller than a book. And computers are 4 smaller and smaller all the time. Who knows what the computers of tomorrow 5 like? 

1. 2. 3.

4. 5.

Answer 1

1. have changed   2. have become   3. be made   4. getting   5. will be