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
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
Wecannot_______allthemagazinestogether.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
Ihavenotheardanythingfromhimsincehis_______.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
