A.Uupset.B.Amused.C.Confused.D.Grateful.
A. Uupset.
B. Amused.
Confused.
D. Grateful.
查看答案
【C20】
A. on
B. for
C. upon
D. at
【C4】
A. situation
B. circumstances
C. background
D. condition
【C19】
A. scope
B. range
C. field
D. district
【C15】
A. remain
B. keep
C. make
D. cause