You can’t imagine what great trouble they have _____ the problem _____.
A.to solve; being talked about | B.solving; discussing |
C.to solve; to talk about | D.solving; being discussed |
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You can’t imagine what great trouble they have _____ the problem _____.
A.to solve; being talked about | B.solving; discussing |
C.to solve; to talk about | D.solving; being discussed |