Help me, Help me, Help me

Answer:
21- B. is
22- D. don't
23- A. grew
24- C. mixing
25- A. more
26- B. how
27- D. up
28- C. swimming
29- A. sorry
30- C. were
Explanation:
Hope this helps!
Also, sorry to ask, but can I have brainliest? This took a while to answer.