1 . What skills are needed ________ (operation) this machine?(所给词的适当形式填空)
您最近一年使用:0次
2 . They ________ (operate) three factories and a huge warehouse. (所给词的适当形式填空)
您最近一年使用:0次
3 . Some people can only ________ (operation) well under heavy pressure. (所给词的适当形式填空)
您最近一年使用:0次
4 . On public holidays, generally a Sunday timetable ________ (operation). (所给词的适当形式填空)
您最近一年使用:0次
5 . The old man found the computer was hard____________ (operate). (所给词的适当形式填空)
您最近一年使用:0次
6 . The company ______ (operate) in France for over five years. (所给词的适当形式填空)
您最近一年使用:0次
7 . The sleeping pill____________ (operate) at once soon after it was taken. (所给词的适当形式填空)
您最近一年使用:0次
8 . Before __________ (operate) on, he took some special medicine. (所给词的适当形式填空)
您最近一年使用:0次
9 . The workman had a finger cut off by the machine he ____________ (operate) then. (所给词的适当形式填空)
您最近一年使用:0次
10 . ____________ (operate) more efficiently, the department is introducing changes. (所给词的适当形式填空)
您最近一年使用:0次