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17、It is the rule that every car, bus and truck ____be inspected twice a year in this city.

2,4,6

 

A.shall           B.can            C.has to          D.need

17、A

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It is the rule that every car, bus and truck ____be inspected twice a year in this city.

2,4,6

 
A.shall           B.can            C.has to          D.need

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