John _______ to be a polite man. But in fact he is veryrude.
A、pretendsA
暂无解析
Somelazymenwouldrather_______thanwork.
When making modern cameras , people began to_______ plastics for metal.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
The_______isnearlydead,soIcannotstartthecaragain.
Please be serious. I am not _______. You should consider it carefully
