【单选题】We need someone really ( ) who can organize the office and make it run smoothly.
【简答题】We need someone who can help us with the typing.
【简答题】We need someone ______ the typing.
【单选题】--- We need someone to host the New Year Party. --- ________ the handsome young man have a go?
【简答题】当铰链四杆机构处于死点位置时,机构的压力角等于______,传动角等于______。
【单选题】We need someone to clean the ( ).