7. Jacob cannot buy additional software until his boss _________ all purchase orders for a new joint research project.
(A)approves
(B)explodes
(C)pretends
(D)stitches
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統計: A(12), B(0), C(2), D(0), E(0) #3874086
統計: A(12), B(0), C(2), D(0), E(0) #3874086