问题描述：
He felt ---at the news that he failed the exam A.frustrating B.rustration C.rustrated D.rustrate
3.--when sball I phone you,morning or afternoon.
--———,I will be in all day
A.Neither B.Either C.Both D.Any
3.--when sball I phone you,morning or afternoon.
--———,I will be in all day
A.Neither B.Either C.Both D.Any
问题解答：
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