What's your plan for this weekend,Tom?I______my grandparents with my brother .(visit)原因.

What's your plan for this weekend,Tom?I______my grandparents with my brother .(visit)原因.
What's your plan for this weekend,Tom?I______my grandparents with my brother .(visit)
原因.

What's your plan for this weekend,Tom?I______my grandparents with my brother .(visit)原因.
am to visit
表示按计划,安排将要干某事用 be + 不定式
提示词：plan “计划”