Question

Robots can be seen everywhere. There are many robots 1 (work) in factories in the world. They can do simple jobs over and over again. People don’t want 2 (do) such jobs. In some restaurants，we can see robots 3 (say) hello to people or serve dishes. Japanese companies have already made robots 4 (walk) and dance. It’s also interesting 5 (watch). In the future, there will be more robots everywhere, and humans will have less work to do.

1._ 2.      3._

4._ 5._

Answer 1

 1. working 2. to do 3. say 4. walk 5. to watch