—Ken, why do you look so tired? 
—I _____ myself _____ the climate since I came here.

 —Ken, why do you look so tired? 

—I _____ myself _____ the climate since I came here.

27. ---Ken, why do you look so tired? 

---I _____ myself _____ the climate since I came here.

A. hadn’t adapted; to                                 B. haven’t adapted; to       

C. don’t adapt; from                                  D. didn’t adapt; from

21.  —Ken, why do you look so tired?
—I _______ myself ______ the climate since I came here.
A. hadn’t adapted; to　　　　　　　　　　　 　 B. haven’t adapted; to
C. don’t adapt; from　　　　　　　　　　　 D. didn’t adapt; from

27. ---Ken, why do you look so tired? 
---I _____ myself _____ the climate since I came here.