【单选题】如果民间融资20M,到期时,还本付息共( )
【多选题】买方还价中,在每次还价幅度已定的情况下( )
【单选题】'It's very kind ______ you to help me with my lessons. It's hard ______ me to learn them well.' Tom said to me. [ ]
【单选题】—I can't do my homework. It's too hard for me. —_______. We can help you. [ ]
【单选题】It’s very kind _____you to help me with my lessons. It is hard ____ me to learn them well .
【多选题】买方还价中,在每次还价幅度已定的情况下( )
【单选题】加工如图所示的曲面,一般采用哪种类型的铣刀( )。