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65.Is＿necessary to tell his father everything?
A. it B. that C. what D. He
Is＿necessary to tell his father everything?
A. it B. that C. what D. he
Is ______necessary to tell his father everything?
Is _____ necessary to tell his father everything?
A. it B. that
C. what D. he
A．it
B．that
C．what
D．He