They have cut us off because we haven't paid the phone bill on time. [ ] A.shoul
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![They have cut us off because we haven't paid the phone bill on time. [ ] A.shoul](/pic/43_997157.jpg)
They have cut us off because we haven't paid the phone bill ________ on time.
[]
A.should be paidB.is paid C.due to be paidD.due to pay试题答案
答案:C