He refused to...................his reasons for turning down our invitation.

A get
B give
C take
D have

A. cloth
B. trustworthy
C. clothing
D. brother

A. signal
B. sign
C. colleague
D. regard

A. prolong
B. contact
C. conscious
D. common

A. socialize
B. contact
C. background
D. formality

A. dismayed
B. battle
C. magic
D. Nag

A. crop
B. common
C. household
D. bodily

A. through
B. thought
C. enormous
D. taught

A. charity
B. chaos
C. champion
D. chin

A. chore
B. character
C. challenger
D. choice