【单选题】-Can you come to play with us? -Sorry,I ________.
【单选题】You _____ go there with us if you don’t want to.
【简答题】You know he is not going to let us leave early if we __________ get the work done. A.can’t B.may not C.shouldn’t D.mustn’t
【简答题】PRP 在 ISO22000:2005 与在 ISO22000:2018 中有什么区别?
【单选题】20120118与内存相比,外存具有(18)的特点。
【单选题】You know he is not going to let us leave early if we ______ get the work done. [ ]
【单选题】桂林的传统景点主要是三山两洞一条江。其中的一条江是指( )