They ___swim ___play ping-pong after school.
问题描述：
They ___swim ___play ping-pong after school.
答
they always swim and play ....
答
They _can__swim __or_play ping-pong after school
答
often or
放学后他们常常游泳或去打乒乓球.
答
They often swim and play ping-pong after school.
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