Practice 1:
1/ heavy
2/ fast
3/ smart
4/ useful
5/ strong
- - - - - - - - - - - - - -
Practice 2:
1/ B. water
2/ D. understand
3/ A. guards
4/ C. repair
5/ B. move
Practice 3:
1/ The computer plays an important role to teach since its invention.
2/ This robot will not be able to understand some complicated instructions in English.
3/ Can you please get some tea for the guests? Certainly.
4/ He will be angry with us if we don't agree with his plan.
5/ I want this robot to be able to bend over.
6/ This robot will be able to help me do the gardening.
7/ Do you always help your mom with the dishes after meals? Yes.
8/ Apart from swimming and skiing, she doesn't like any other sports.
9/ She has changed so much that nobody can recognize her.