8) have discovered
9) have not invented
10) have not used
11) have not done
12) has tested
13) has filmed
14) has tried
15) has put
Объяснение:
8) have discovered
9) have not invented
10) have not used
11) have not done
12) has tested
13) has filmed
14) has tried
15) has put
Объяснение: