【简答题】中国近代史的起止时间是从( )到( )?
【单选题】浇筑基础时,杯底标高一般比设计标高降低( )mm
【单选题】Not that I’m unwilling to lend you a hand , I’m too busy for the moment .
【单选题】---Please _______ us in the discussion. ---I'd like to, but I'm ______ busy at the moment.
C.
take part in; rather too
D.
play a part in; too much
【单选题】— Please _____ us in the discussion. — I'd like to, but I'm _____ busy at the moment. [ ]
C.
take part in; much too