Pine trees are usually believed to _______ cold weather.
D
暂无解析
The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
IntheUnitedStates,theforeignpolicyisdecidedbythe________government,notbyeachstate.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.