Big - bigger
small - smaller
clean - cleaner
dirty - dirtier
comfortable - more comfortable
pleasant - more pleasant
industrial - more industrial
polluted - more poluted
safe - safer
crowded - more crowded
busy - busier
2 work out
3 bring them up 4 give up
<span> </span>
Ответ: 1. Goes
2. is playing
3. Do
4. Are watching
5. Is listening
6. Play
7. Drives
8. Is cooking
9. Helps
10.am brushing
11. Does he visit
12. Are you playing
13. Doesn't like
14. Aren't fighting
15. Does your father work
16. Isn't learning
17. Do they get up
18. Don't take
19. Do they live
20. Isn't running
Объяснение:
<span><span>I'm</span><span>having difficulty</span><span>learning languages,</span><span>especially when I</span><span>study them</span><span>independently.</span><span>First,</span><span>I learn</span><span>pronunciation,</span><span>grammar,</span><span>and then</span><span>, I try to</span><span>make</span><span>meaningful sentences.</span><span>If I can not</span><span>understand the language</span><span>, I</span><span>quickly</span><span>give up</span><span>it.</span></span>