I______to him because he phoned me shortly afterwards.A、need not to have written

游客2024-10-07  9

问题 I______to him because he phoned me shortly afterwards.

选项 A、need not to have written
B、needn’t have written
C、needn’t having written
D、need haven’t written

答案 B

解析 情态动词题。needn’t have done意为“其实没有必要做……”。因此,[B]为答案。
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