法庭传唤他下周出庭作证。

The court ___summoned him to appear as a witness next week.

校长召集所有老师参加紧急会议。

The principal ___summoned all teachers for an urgent meeting.

他在比赛前努力聚集最后的力量。

He tried to ___summon his last bit of strength before the match.

女巫念动咒语，召唤出了一只守护精灵。

The witch chanted a spell to ___summon a protective spirit.