【单选题】Two more dollars (is, are) missing from the till this morning.
【简答题】柴油发动机和汽油发动机的工作原理基本__________,都是内燃机。
【简答题】Two more dollars (is, are) missing form teh till this morning.
【单选题】Two more dollars (is, are) missing from the till this morning.
【简答题】Two more dollars (is, are) missing from the till this morning.
【判断题】汽油发动机跟柴油发动机的工作原理没有区别。