Professor Smith is also the _______ of the international program office. If you have any problem when you study here,you may go to him for help.
A、detectiveD
暂无解析
The _______ is nearly dead , so I can not start the car again.
Thisriverformsanatural_______betweenChinaandKorea.
The engineers in this lab spent several weeks _______their plans for the new bicycle.
Manykindsofanimalsarebelievedtohave_________fromtheearth
Without a proper education, people could _______ all kinds of crimes.
