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.
更新时间:2024-11-02 07:21:41 A、detectiveD
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Much of the news provided by this newspaper is_______, not foreign.
Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
When making modern cameras , people began to_______ plastics for metal.
When a spacecraft travels, one of the major problems is reentry into the Earth ’s _______.
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