The _______ work continued for more than a week but there was still no sign of the missing boy.
B
暂无解析
Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
Withthe_______ofMary,allthegirlstudentsareeagertogototheparty.