1. Mrs Lan..................swim well when she was ten.

         a. could            b. can              c. is             d. is able to

2. Will you able to speak English well when you are 20?

    a. Yes, I am       b. Yes, I will  c. No, I will  d. No, I'm not

3. What …. you do now?

    a. are             b. can             c. is                d. could

4.  Robots will be able to…...to people in the future. 

    a. talks            b. talking       c. to talk   d. talk

5. My sister ......do many things like humans in the future.

    a. did            b. will be able to    c. was      d. could