Rescuers are ______ for the safety of th
题型:选择题
问题:
Rescuers are ______ for the safety of the two men trapped in the mine.
A.grateful
B.concerned
C.extreme
D.frightened
Rescuers are ______ for the safety of the two men trapped in the mine.
A.grateful
B.concerned
C.extreme
D.frightened