Choose the correct answer

Đề bài:Choose the correct answer.Giải giúp mk vs,mk cần gấp!
----- Nội dung dịch tự động từ ảnh -----
a. comfort
b. comfortable
c. comforted
d. Comfortably
21. English is the language of
a. communicative
b. communication
c. communicate
d. communicatively
22. I have to do this job because I have no
a. choose
b. choice
c. choosing
d. Chosen
23. English is used by pilots to ask for landing
a. instruct
b. instructors
c. instructions
d. Instructive
24. He did some odd jobs at home
a. disappointment
b. disappoint
c. disappointed
d. Disappointedly
25. Don't be afraid. This snake is
a. harm
b. harmful
c. harmless
d. Unharmed
26. During his
a. child
b. childhood
c. childish
d. Childlike
27. Jack London wrote several
a. prepare
b. preparation
his family lived in the United State.
a. interest
b. interestedly
c. interesting
d. interested
28. He failed the final exam because he didn't make any -------------- for it.
c. preparing
d. Prepared
29. The custom was said to be a matter of -
a. convenient
b. convenience
c. conveniently
d. Convene
30. She is ----------- in her book.
a. absorbed
b. absorbent
in Cairo.
-novels on adventure.
c. absorptive
d. Absorb
Exercises 2. Change from type in English