作业帮The public wants to know when the cleaners _____ to workA.have come back B.will come back C.come back D.shall come back
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The public wants to know when the cleaners _____ to workA.have come back B.will come back C.come back D.shall come back
The public wants to know when the cleaners _____ to work
A.have come back B.will come back C.come back D.shall come back
The public wants to know when the cleaners _____ to workA.have come back B.will come back C.come back D.shall come back
B 用一般将来时