2025年武汉马拉松吸引了45万多人报名,赛事规模达4万人。参赛公众报名采取先预报名、后抽签、中签者再缴费的模式。只有中了签才允许缴费,除非缴了费否则不允许实际参赛。甲乙二者最多一人中了签,甲乙二者至少有一人缴了费。如果以上断定为真,下列选项不必然为真的是( )
甲或者缴费或者不允许实际参赛
如果允许甲实际参赛,则乙没缴费
如果不允许甲实际参赛,则乙中了签或乙缴了费
甲与乙中恰好一人中签、恰好一人缴费,且中签与缴费的为同一人
( ) Some children are sitting on the grass and a chat now. A、hadB、have C、having
( ) I go to school at half seven in the morning. A、atB、to C、past
( ) Liu Tao isn’t good at . A、singB、sings C、singing
( ) Look, the bus for Tianshengqiao Park is coming. Let’s the bus A、get onB、get off C、by
( )——This morning, I an egg and some bread. How about you? ——I some noodles. A、had, ateB、eat, ate C、eat, eat