1. could
2. couldn't
3. can
4. couldn't
5. can't
<span>some twins ( HAVE ) special powers</span>
2 Match the words on the left with the correct meaning on the right.
1. invent e. create, think up, make something new
2. expert f. person with special knowledge or skills
3. deaf h. not able to hear
4. encourage i. support
5. device k. piece of equipment
6. grant l. give formally or officially
7. patent a. official protection of one's invention
8. convention m. conference, large meeting
9. demonstrate c. show
10. researchers g. people who study or look for information
11. experiment d. test or try something to see what happens
12. breeding j. raising animals for reproduction
13. aviation b. flying
2) The businessmen discuss difficult problems.
3) Milk is good for children.
4) The wolves are hungry.
5) The girls' names are simple.
6) There are art galleries in these streets.
7) These mice are fat.