那只猫消失了一整天，晚上又出现在门口。

The cat was gone all day but ___reappeared at the door in the evening.

失踪的学生一周后重新出现在了教室里。

The missing student ___reappeared in the classroom after one week.

太阳从云层后面又露了出来。

The sun ___reappeared from behind the clouds.