【单选题】They _____ us willingly but that they happened to be short of hands, too.
【多选题】随着电子商务的发展,其演变过程可分为以下( )三个阶段。
【判断题】The narrator met Dacre when they happened to be conducting researcher in the same room in the British Museum.
【单选题】关于试车机器起动过程中,当发现有异常状况时,下列说法不正确的是 。
【单选题】宋代的五大名窑是指:定窑.官窑.和( )
【单选题】They happened to__________ for Tianjin when we got there.A.leaveB.have left###SX
A.
They happened to__________ for Tianjin when we got there. A.leave